Fondation level- 4 JEE Mock test -2 (Chemistry)

Boiling takes place at

• Spontaneously at all temperature

• Below the surface of the liquid

• Above the surface of the liquid

• Vapour pressure of the liquid

Which of the following compounds when dissolved in water give coloured solutions?

• Barium Chloride

• Sugar

• Sodium Chloride

• Copper Sulphate

While determining the boiling point of water, the thermometer should be kept in such a way that it's bulb

• Remains dipped in water

• Remains just above the surface of water

• Bottom of the container

• Remains near the cork of the container

The super energetic particle is

• Solid

• Plasma

• Liquid

• Gas

The liquid is

• Honey

• Cotton wool

• Flour

• Plasticine

When the solid melts, it's temperature

• Increases

• Decreases

• Remains Same

• First increase then decrease

Suggest separation technique to separate the mixture of kerosene oil, water and salt

• Decantation

• Filtration

• Both A and B

• Evaporation

What is the change occurs during an acetone bottle is left open, and the bottle becomes empty.

• Filtration

• Evaporation

• Tyndall Effect

• None of the above

Suggest a suitable method to separate the components of these mixtures of a volatile and a non-volatile component.

• Evaporation

• Filtration

• Distillation

• Decantation

Name the state of matter in which the particles move randomly because of a fragile force of attraction.

• Solid

• Liquid

• Gas

• All of these