assignment matter in our sourroundings class 9 09042015

8/18/2019 Assignment Matter in Our Sourroundings Class 9 09042015

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Matter In OurSurroundings

CLASS 9

ANNANT CLASSESWZ 298, STREET No. 8 SAD NA!AR "ART#I"ALAM COLON$ NEW DELI#%%& &'(

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Q1 What is matter?

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Q2 What is matter made up of?

Q3 What is the name of these particles?

Q4 What is the physical state of matter?

Q5 Which of them has xed shape and volume?

Q6 Which of them does not have xed shape and volume?

Q7 Which of them has xed volume ut not shape?

Q! "ntermolecular forces of attraction are minimum in ########## $

Q% "ntermolecular forces of attraction are minimum in ########## $

Q1& 'inetic ener(y is ener(y due to ########## $

Q11 Which physical state has maximum )inetic ener(y out of solid* li+uidand (aseous state?

Q12 ,he arran(ement of particles is most ordered in ########## $

Q13 -re these states of matter interconvertile?

Q14 Which is more stale out of (as and vapour?

Q15 -t .hat temperature vapourisation ta)es place?

Q16 Why is vapourisation a surface phenomenon?

Q17 What is sulimation?

Q1! /an .e oil .ater at room temperature? 0o.?

Q1% /an .e convert ice into vapours at room temperature? "f yes* ho.?

Q2& What is dry ice?

Q21 Why is it called dry ice?

Q22 What is " unit of mass?

Q23 What is " unit of volume?

Q24 What is " unit of density?

Q25 0o. many cm3 from 1 ?


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Q26 Why cant .e see atoms?

Q27 What is the reason that solution of copper sulphate remainscoloured even after lar(e numer of dilutions?

Q2! When .e ma)e teacoeelemonade neeemu pani particles of one type of matter diuse into particle of other* .hy?

Q2% /an solid diuse in solid? 8ive examples?

Q3& 9o particles of matter have )inetic ener(y?

Q31 What is eect of temperature of )inetic ener(y?

Q32 Which is most di:cult to rea) ;e* -l* /u* -(?

Q33 Which has hi(hest meltin( point ;e* -l* /u* -(? Why?

Q34 Why cant .e cut a stream of .ater .ith n(er easily?

Q35 ,he physical state of matter of depends upon ########## $

Q36 Why does ice


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Q4% " unit of mass is (ram$

Q5& When .e drop of lue in) is put in .ater* the lue colour spreadsand the .hole solution ecome lue$ @ame the phenomenon dueto .hich this happens$

Q51 - spoonful of su(ar .hen added to a (lass of mil) and stirreddisappeared after some time$ tate the characteristic of matter .hichexplains this oservation$

Q52 What is meant y particulate nature of matter?

Q53 - sustance has no mass$ /an .e consider it as matter?

Q54 2m of dettol is added to a ea)er containin( 5&&m of .ater andstirred$ tate four oservations that you ma)e

Q55 "f the food i s ein( coo)ed in the )itchen* name the process .hichrin(s smell to us$

Q56 - driver to ale to cut thou(h .ater in s.immin( pool$ Whichproperty of matter does the oservation sho.?

Q57 u(ar and salt .hen )ept in dierent Aars ta)e the shape of the air$-re they solid? Bustify?

Q5! @ame the phenomenon in .hich particles of t.o or more sustancesintermix on their o.n$

Q5% What determine the state pf a sustance?

Q6& -re ice and .ater essentially the same sustance? >ention any t.odierences in their properties$

Q61 -rran(e the follo.in( sustances in the increasin( order of force ofattraction et.een their particles Coxy(en* salt * mil)$

Q62 @ame the state of matter in .hich Ci layer of particles can slip and slide on each other$ii particles Aust move around randomly$

Q63 @ame the property of (ases that helps a+uatic plants and animals tosurvive in .ater$

Q64 a 0o. does three states of matter arise 8ive the reasons for the follo.in( one eachCi i+uids ta)e up the shape of the container in .hich they are )ept$ii i+uids are more compressile than solids$


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Q65 Write the physical state of matter that sho.s the property (ivenelo. C

a >ost compressile form of matter$ 0as denite shape and volume$c 0as denite volume ut no xed shape$d Di(id and incompressile$

Q66 Date of diusion is faster in (ases$ Why?

Q67 a Write the full form of i 8 ii /@8 8ive one use for each$

Q6! -t .hat temperature do solid ice and li+uid .ater coEexist to(ether?

Q6% @ame the t.o (ases .hich are supplied in compressed form inhome and hospitals$

Q7& Write the oilin( point and freeFin( point of .ater in 'elvin scale$

Q71 /onvert the follo.in( temperature to Ca /elsius scale C i 313' ii 37&' 'elvin scale C i 23G/ ii 73G/

Q72 Which (as is called dry ice? Why?

Q73 Which of the follo.in( t.o .ill (ive you more severe urns and

.hy? a team at 373' .ater at 373'

Q74 With .hich name in the phenomenon of chan(in( of a li+uid into itsvapours at temperature elo. its oilin( point )no.n as?

Q75 9oes evaporation cause a physical chan(e or a chemical chan(e?

Q76 0o. does temperature aect the rate of evaporation?


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assignment matter in our sourroundings class 9 09042015

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