1. A
   The matter is continuous in nature.
2. B
   Particles, which constitute the matter, follow a zig - zag path.
3. C
   Inter - particle spaces are the maximum in the gaseous state of a substance.
4. D
   Solid state is the most compact state of a substance.

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1. A
   Ether is a volatile liquid.
2. B
   Water is the least volatile liquid.
3. C
   Acetone is the least volatile liquid.
4. D
   Alcohol is moderately volatile.

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1. A
   A and B
2. B
   A, B and C
3. C
   All of these
4. D
   Only D

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1. A
   (A), (C) and (D) are correct
2. B
   (A), (B), (C) and (D) are correct
3. C
   (A) and (D) are correct
4. D
   (B) and (C) are correct

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1. A
   (B) and (C) is incorrect
2. B
   All of these
3. C
   (A) and (B) are correct
4. D
   (A), (B) and (C) are correct

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1. A
   Gases have maximum fluidity and the least rigidity.
2. B
   Solids have negligible K.E. of the particles.
3. C
   Potassium permanganate is orange in colour.
4. D
   Inter - particle attraction depends on the physical state of the matter.

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1. A
   (a), (b) and (c)
2. B
   (c)
3. C
   (a)
4. D
   (b)

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1. A
   Conversion of vapours into solid without passing through the liquid state is called freezing.
2. B
   Conversion of vapours into solid without passing through the liquid state is called vaporization.
3. C
   Conversion of solid into liquid is called sublimation.
4. D
   Conversion of solid into vapours without passing through the liquid state is called sublimation.

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1. A
   D
2. B
   B
3. C
   C
4. D
   A

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1. A
   B, C, and D
2. B
   All of these
3. C
   B and C
4. D
   Only C

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1. A
   Only liquids are fluids
2. B
   Gases and solids behave like fluids
3. C
   Only gases behave like fluids
4. D
   Gases and liquids behave like fluids

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1. A
   Only (b) and (c) are correct
2. B
   Only (a) and (b) are correct
3. C
   All of these are correct
4. D
   Only (a), (b) and (c) are correct

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1. A
   Low temperature, low pressure
2. B
   High temperature, low pressure
3. C
   High temperature, high pressure
4. D
   Low temperature, high pressure

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1. A
   Fusion
2. B
   Vaporization
3. C
   Sublimation
4. D
   Condensation

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1. A
   $C$
2. B
   $N$
3. C
   $Na$
4. D
   $O$

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1. A
   $CuSO_4 + Fe$
2. B
   $ZnSO_4 + Fe$
3. C
   $MgSO_4 + Fe$
4. D
   $MgSO_4 + Pb$

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1. A
   $Al$
2. B
   $Cu$
3. C
   $Na$
4. D
   $Ca$

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1. A
   $Hg$
2. B
   $Fe$
3. C
   $Na$
4. D
   $Cr$

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1. A
   $H_2SO_4$, $H_2S$, $SO_3$
2. B
   Aqua regia, $HCl$, $HNO_3$
3. C
   Aqua regia, $HNO_3$, $HCl$
4. D
   $H_2SO_4$, $H_2O$, $SO_2$

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1. A
   Mixture of both peat and wrought
2. B
   Peat Iron
3. C
   Wrought Iron
4. D
   complex iron form.

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1. A
   Dazzling white colour flame
2. B
   Yellowish orange colour flame
3. C
   Brick Yellowish colour flame
4. D
   Brick red colour flame.

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1. A
   Alnico
2. B
   Stainless steel
3. C
   Zinc amalgam
4. D
   Solder.

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1. A
   A and B
2. B
   A and C
3. C
   All of these
4. D
   A, B and D.

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1. A
   Cu and Au
2. B
   Pt and Cu
3. C
   Al and Au
4. D
   Au and Pt.

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1. A
   $H_2SO_4$
2. B
   $H_2SO_3$
3. C
   $SO_3$
4. D
   $SO_2$.

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