round 1 final

7/30/2019 Round 1 Final

1/11

Potions

Round 1

Time: 45 minutes Marks: 35

Rules:1. Check that this question paper contains 12 printed pages.

2. Do not open the question paper until asked.

3. No extra sheet will be given, write the answer in question

paper itself.

4. After completion, return the question paper.

5. Each question carries 1 mark.

Team name:

_______________________________________________________________

Name 1:________________________ Name

2:___________________________

Branch: ________________________ Branch:

___________________________

Reg no.: ________________________ Reg no.:

___________________________

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Q.1- Which acid in car batteries is also known as oil of vitriol?

a. HNO3

b. H2SO4

c. HCL

d. H3PO4

Q.2- Chlorine was so named because

a. Its discoverer's daughter was named Chloe.

b. It was discovered in the Swedish village of Chloren.

c. It was first isolated in Chlorox(TM) bleach.

d. It is yellow-green in color.

Q.3- Salts of which of the following metals are added to fireworks to

make them brilliant red?

a. Barium

b. Potassium

c. Strontium

d. Iron

Q.4- What gas never cries?

a. Nitrous Oxide

b. Hydrogen Peroxide

c. Carbon dioxide

d. Sulphur dioxide

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Q.5- At room temperature, what is the only metal that is in liquid

form?

a. Bromine

b. Mercuryc. Silicon

d. Gallium

Q.6- What may be the periodic name of the element Uus____________________?

Q.7- When you chop onions, your eyes can burn because a chemicalreaction produces:

a. Acetic Acid

b. Hydrochloric Acid

c. Nitric Acid

d. Sulphuric Acid

Q.8- Hot peppers get their heat from:

a. Acetic Acid

b. Capsaicin

c. Lycopene

d. Sulfuric Acid

Q.9- How many different isomers are possible for a hydrocarbon withthe molecular formula C4H10?

a. 1

b. 2

c. 3

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d. 5

Q.10- Isn't this a great sign? You may not ever see this warningsymbol, but if you do it would be in your best interest to know whatit means.Colour in the triangle is red.

a. Ionizing Radiation

b. get out while you still can, it's radioactive here

c. dangerous high-powered ventilation

d. potentially lethal levels of radiation

Q.11- why we add salt to water when boiling a dal?

a. to increase the taste of dal

b. adding salt increase the boiling point of water.

c. salt makes the dal particles to get saperated from one other so

that maximum surface of dal particles gets the heat and boil sooner.

d. adding salt decrease the boiling point of water, and it will boil at

higher temp. so that dal particle get more time of heat absorption.

Q.12- What would happen if you soaked a raw egg in vinegar for 24

hours?

a. The yolk would turn green

b. It would disintegrate completely

c. The shell would turn rubbery

d. The shell would split perfectly in two

Q.13- Which food stuff turns blue-black when brought in contactwith iodine?

a. Proteins

b. Vitamins

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c. Unsaturated Fatty Acid

d. Starch

Q.14- On decreasing the temperature of water, it will

a. Expand

b. Contract

c. Freeze

d. Boil

Q.15- Two household chemicals you never mix are

a. Bleach and ammonia. Chloramines vapors can be deadly.

b.Oil and water. They don't mix and aren't meant to.

c. Bleach and water. Diluting bleach only makes it more dangerous.

d. Vinegar and baking soda. Those bubbles could be toxic.

---------------------------------------------

Help Professor Parkinston Augstine to solvehis problem. He has to use some element inher leading research but he is not able to findout which element he should use because the

description of those is in the form of riddles.You as a chemical technocrat help him to findout the name of those elements.

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1. An active sailor, yet seldom free,An old salt, Peter, a fire in the sea,Near noble, yet base and prone to lie,Purple with rage when excited am I. _______________________

2. Shunned by most and craved by all,Food for rabbits, yet made from straw,Billions found greed and abandoned sense,though not a fool, I am quite dense. _________________________

3. What is a lovely shade of violet,Lives on a crowded table,And contains one of Jupiter's moonsAnd a very loud noise. _______________________________

4. I am a chemical symbol for an element.This element was discovered in 1824.I am a Spanish word without the accent. _______________________Reverse me so I become a form of a common verb.

5. Give me some fire, give me some load,

Water me higher, give me some fold,______________________________

Ill not hurt you; will give you, what your friend had told.

Dont let me out, Ill die; want to do than give a coat.

Love never dies

Exam dates were approaching so Ravi was studying hard for the

coming exams. His performance in the last exam was not that good

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though he was a bright student. He had been having some horrifying

illusions since some days. He had his room upstairs in the home.

One night when he was studying too hard, he got some headache.

He opened his medicine cabinet to get some aspirin. He then went

to get some water. When he opened the tap he was staring at it withsome strange feeling. It wasnt opened for days. He let some water

to run and then after some seconds he started filling his glass. After

having aspirin he went to sleep.

Q.1 What is the chemical name of the drug aspirin?

Ans.

______________________________________________________________________________

________

Q.2 Why did he let some water to run for some seconds though he

knew we should save water? Think chemically and answer.

Ans.

______________________________________________________________________________

________

Next day he woke up early in the morning. He completed all his

natural calls, urine etc. While brushing teeth he observed a dark-

brown ring around the sink drain. He couldnt stop himself to stare

at it. Again he had some horrifying illusions seeing that ring. Hefound himself hallucinated by that ring that he is being pulled by it

and went completely inside it. He came to his senses and tried to

wipe it away but he couldnt. He was restless because of these

incidents and observed his Heartbeats increased that he could hear

it and a faster circulation of blood in the body.

Q.3 Using which molecule most of the Nitrogen based wastes are

excreted in Urine?

Ans.______________________________________________________________________________

_____

Q.4 What is the dark-brown ring around the sink drain?

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Ans.

______________________________________________________________________________

_____

Q.5 Which chemical in the body was responsible for high blood

pressure?

Ans.

______________________________________________________________________________

________

Then he went to have shower. Today he wanted to shampoo his hair.

Some sulphate of sodium in shampoo makes it most effective. His

hairs were soft and silky. He went to kitchen to prepare his

breakfast. He put two breads in the toaster and then took two eggs

and made omelet. He had his breakfast and then went upstairs tohis room. He wore a black trouser and red shirt and got ready as he

had to meet someone.

Q.6 Which chemical compound in the shampoo makes it most

effective?

Ans.

______________________________________________________________________________

_____

Q.7 Heat is given to the egg and omelet is made. Does entropyincrease or decrease in the process?

Ans.

______________________________________________________________________________

_____

The meeting was fixed in Friends Garden. He reached there on time

and as waiting for Sheetal, the girl he loved a lot. It was about three

months that he was in relationship with her. While waiting he was

remembering the Time he saw her in college for the first time. Everytime he saw her he used to feel a lot of butterflies in his stomach

and his heart used to beat so fast that it was like eager to come out

of the ribs

He was in these thoughts and she came. He came out of his

thoughts and made her sit beside him. He was telling her about the

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hallucinations he was having these days. She also was worried for

him.

Q.8 Which chemical in human body is responsible for love and the

feeling of butterflies in the stomach?

Ans.

______________________________________________________________________________

________

While he was coming back to home he met with a small accident

near his home. There were some wounds on his right leg. Somehow

he reached home. His mother saw the wounds and quickly brought

the first aid box. She gave him some water to drink and was

applying a blue liquid on the wounds and bandaged. The taste of

water was unusually bitter.

Q.9 What was the blue liquid that was applied to the wounds?

Ans.

______________________________________________________________________________

_______

Q.10 What caused the bitter taste of water?

Ans.

_______________________________________________________________________________________

He went to room after dinner. He wasnt having mood to study.

Suddenly he stood up and had something in mind. He liked to play

with the chemicals and see the chemical changes. He took ammonia

and one other substance and mixed it. Chloramine vapors started to

come from the mixture and he fainted and fell down. Hearing the

sound his father came upstairs and after seeing him lying on the

floor took him to the hospital.

Q.11 What was the other household compound he mixed with

ammonia?

Ans.

______________________________________________________________________________

________

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While the doctor was giving him treatment he saw a dark green

colored patch on two fingers of one of his nurses (male) hand.

Seeing that patch he remembered their college tour to Nainitaal

when one man entered in his group wearing the rings having size

similar to those patches, made friendship with everyone. He gave

Ravi something to eat and after eating that thing he was having

those illusions. He was suspicious about him. He quickly called all

his friends and told everything. Everyone was thinking what is to be

done next. They finally decided to follow that man and find the truth

themselves.

Q.12 The green colour was due to the ornament of which metal?

Ans.

______________________________________________________________________________

_______

After Ravi recovered they followed him to find his home. When the

man was not at home, they broke into his house to investigate if

they could find something. After searching for some time they found

his diary and some bottles of chemicals and an open car battery.

They quickly read the diary and found out that the man had a crush

on Sheetal but couldnt tell her. And now since she was in

relationship with Ravi, he wanted to take revenge on both of them

by throwing acid on her face and making Ravi crazy by the illusions.

So they mixed some chemical present in the room in the acid to

weaken/neutralize it. Then they decided to complaint to police and

left.

Q.13 Which acid the man was planning to use?

Ans.

______________________________________________________________________________

_______

Q.14 Which substance he used for its neutralization? Give oneexample.

Ans.

______________________________________________________________________________

________

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While they were on the path, some people attacked them. There was

a good fight between them and somehow they managed to defend

themselves. Suddenly that man came and threw a liquid towards

Sheetal. Ravi knew it what it was. He saved her but some of it

dropped on his hand and he was feeling strong burning sensation.

After this the other gang ran away. They went to nearby chemist

and asked for something to apply so that the burning sensation can

be stopped. Then they straight went to police station and filed FIR.

Police collected the evidence from his room and started searching

them. And in no time the gang was arrested.

Everyone had a sigh of relief and then Ravi started treatment for his

illusions and was all right after some days. Now Ravi and sheetal are

living happily.

Q.15 Why Ravi was feeling the burning sensation though he tried toneutralize the acid?

Ans.

______________________________________________________________________________

_______

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round 1 final

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