Q. Which of the following is/are natural contributor(s) to sulphur dioxide in the atmosphere?

View solution

Q. What is the pH required for the survival of aquatic animals and plants?

View solution

Q. The acidic air pollutants reach the Earth’s surface because of wet deposition only.

View solution

Q. Which of the following gases is responsible for the yellowing of the Taj Mahal?

View solution

Q. Formation of aerosols by nucleation produces particles of size __________

View solution

Q. The size of aerosol particles formed mechanically is minimum 1 micron.

View solution

Q. What is the statement of the Kelvin effect in fluid droplets?

View solution

Q. When a given gas has a temperature gradient, the aerosol particles move from higher temperature regions to low temperature regions. This effect is known as __________

View solution

Q. Particle movement due to photophoresis depends on _________

View solution

Q. The movement of particles from region of lower vapour to high vapour molecule concentration is known as diffusiophoresis.

View solution

Q. Which of the following scattering phenomena is responsible for the blue colour of the sky?

View solution

Q. When light is passed through a suspension, it’s intensity decreases due to _________

View solution

Q. What is/are the inertial method(s) used to measure size of aerosol particles?

View solution

Q. What does CNC stand for in the context of aerosol particles?

View solution

Q. What type of colloid is an aerosol?

View solution

Q. Aerosols contribute to global warming.

View solution

Q. What is the size of the particles categorised as aerosols?

View solution

Q. What does the aerodynamic diameter of an aerosol indicate?

View solution

Q. What damages house paints?

View solution

Q. In plants, acid leach, important elements in soil, resulting in reduced

View solution