Matter In Our Surroundings (IX)
| Description: Chemistry | |
| Number of Questions: 15 | |
| Created by: Rachana Sahu | |
| Tags: Chemistry Molecule, Molecules of Element Properties of Matter Matter & Classification Sublimation, Sublime & Sublimate Pressure ,Effect of Change in Pressure Temperature & its Unit Evaporation and Factors Affecting the Rate of Evaporation Latent Heat of Vaporization Density, S.I. Unit of Density Matter in Our Surroundings |
Which of the following substances has the highest inter-molecular force of attraction?
Which of the following statements is/are correct?
a. Gases cannot be compressed. b. The melting and boiling points of solids are above room temperature. c. A liquid has an indefinite volume and shape.
Which of the following pairs will not exhibit diffusion?
Neon signs and fluorescent tubes glow because of the presence of
Which of the following statements is/are correct?
a. A solid that is formed directly from a gas is called a sublimate. b. The phenomenon by which wax melts in the hot sun is called sublimation. c. Boiling point of a substance is the temperature where the liquid and vapour states can exist together.
Which of the following will be the effect of decrease of pressure on solid carbon dioxide?
Which of the following is the SI unit of temperature?
Evaporation of a material takes place when it is
Which of the following has the highest density?
Which of the following statements is/are incorrect?
a. Particles of matter are always in a state of motion. b. Melting point of ice is 0oC. c. Light can be considered as matter.
Which of the following solids show the process of sublimation?
a. Iodine b. Camphor c. Wax
Which of the following statements is/are correct?
a. Ghee has a higher melting point than mustard oil. b. Melting point of a liquid increases with pressure. c. Higher the inetrmolecular forces, higher the melting point.
Which of the following statements is/are correct?
a. Latent heat of vapourisation is the heat energy required to change 1 kg of a liquid to gas at atmospheric pressure at its boiling point. b. Latent heat of vapourisation causes cooling. c. Evaporation is a bulk phenomenon that afects the latent heat of vapourisation.
Which of the following parameters determine the physical state of matter?
a. Temperature b. Pressure c. Density
The particles of which of the following are ionised?
a. Solids b. Liquids c. Gases d. Plasma