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The given figures show arrangement of particles of a substance 'P' at different temperatures :

Which of the following statements is correct?

AMelting point of the substance 'P' is below 42°C.
BParticles of the substance 'P' at 115°C have less kinetic energy than at 65°C.
CBoiling point of the substance 'P' is between 65°C and 115°C.
DAll of these

A rider on horse falls back when horse starts running all of a sudden because

AAcceleration of horse is less than that of rider
BRider is suddenly afraid of falling
CInertia of rest keeps the upper part of body at rest while lower part of the body moves forward with the horse
DInertia of motion keeps the upper part of body at rest while lower part of the body moves forward with the horse.

In this section, each question has two matching lists. Choices for the correct combination from List-I and List-II are given as options (A), (B), (C) and D out of which one is correct.

Which of the following represents the correct match for items in column A with those in column B.

A I-(ii), II-(iii), III-(i)
B I-(iii), II-(i), III-(ii)
C I-(ii), II-(i), III-(iii)
D I-(iii), II-(ii), III-(i)

In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as:
Assertion : Handles of utensils are made of metals like copper, steel or iron.
Reason : Metals are bad conductors of heat.

A If both assertion and reason are true and reason is the correct explanation of assertion.
B If both assertion and reason are true but reason is not the correct explanation of assertion.
C If assertion is true but reason is false.
D If assertion is false but reason is true.

The space occupied by an object is known as

A mass
B volume
C density
D area.

Which metal cannot be used as a reducing agent in smelting?

A C
B Al
C Zn
D Na

In which of the following chemical equations, the abbreviations represent the correct states of the reactants and products involved at reaction temperature?

A 2H_2(l) + O_2(l) → 2H₂O_(g)
B 2H₂(_g) + O_2(l) → 2H₂O_(l)
C 2H₂(_g) + O_2(g) → 2H₂O_(l)
D 2H₂(_g) + O_2(g) → 2H₂O_(g)

In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as:
Assertion : Materials can be sorted on the basis of solubility in water.
Reason : Lemon juice is soluble in water.

A If both assertion and reason are true and reason is the correct explanation of assertion.
B If both assertion and reason are true but reason is not the correct explanation of assertion.
C If assertion is true but reason is false.
D If assertion is false but reason is true.

Boojho’s grandmother is suffering from diabetes. Her doctor advised her to take ‘ Lassi ’ with less fat content. Which of the following methods would be most appropriate for Boojho to prepare it?

A Filtration
B Decantation
C Churning
D Winnowing