Standard 9th

CHAPTER 1:WORLD OF MATTER

01.  Choose the correct answer: Condensation
A.   Iodine
B.   Melting point -150°C
C.   Clouds
D.   Mercury
E.   Melting point -218.4°C        

Ans. : C.   Clouds



02.  Choose the correct answer: Oxygen
A.   Iodine
B.   Melting point -150°C
C.   Clouds
D.   Mercury
E.   Melting point -218.4°C        

Ans. : E.   Melting point -218.4°C         



03.  Choose the correct answer: Sublimate
A.   Iodine
B.   Melting point -150°C
C.   Clouds
D.   Mercury
E.   Melting point -218.4°C        

Ans. : A.   Iodine



04.  Choose the correct answer: Glucose
A.   Iodine
B.   Melting point -150°C
C.   Clouds
D.   Mercury
E.   Melting point -218.4°C        

Ans. : B.   Melting point -150°C




5.     Choose the correct answer: Melting
A.   Gaseous to liquid
B.   Solid to gaseous
C.   Liquid to Solid
D.   Liquid to Vapour
E.   Solid to liquid        

Ans. : E.   Solid to liquid         



6.     Choose the correct answer: Freezing
A.   Gaseous to liquid
B.   Solid to gaseous
C.   Liquid to Solid
D.   Liquid to Vapour
E.   Solid to liquid        

Ans. : C.   Liquid to Solid






7.     Choose the correct answer: Condensation
A.   Gaseous to liquid
B.   Solid to gaseous
C.   Liquid to Solid
D.   Liquid to Vapour
E.   Solid to liquid        

Ans. : A.   Gaseous to liquid



8.     Choose the correct answer: Boiling
A.   Gaseous to liquid
B.   Solid to gaseous
C.   Liquid to Solid
D.   Liquid to Vapour
E.   Solid to liquid        

Ans. : D.   Liquid to Vapour





9.     Choose the correct answer: Gas
A.   Fluidity
B.   Compressible
C.   Solidification
D.   Rigid
E.   Liquefaction           

Ans. : B.   Compressible



10.  Choose the correct answer: Solid
A.   Fluidity
B.   Compressible
C.   Solidification
D.   Rigid
E.   Liquefaction           

Ans. : D.   Rigid

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