Account for the following : (a) Artificial rain can be caused by spraying electrified sand on the clouds. (b) Electrical precipitation of smoke.

Sulphur dioxide (SO2) and oxides of nitrogen (NO2).

Rainwater contains dissolved salts. This makes it a conducting solution. There are no dissolved salts present in the distilled water. Hence, rainwater can allow electricity to pass through it while...

Clouds are colloidal dispersion of water particles in air. These water particles carry some charge over them. On spraying oppositely charged colloidal dust or sand particles over a cloud from an...

(d) Rainwater harvesting

(a) Falling of moisture in the form of rainfall, snow, fog, sleet and hailstone is termed as precipitation. (b) The water cycle is the process by which water continually changes its...

(a) : Due to thunderstorm, temperature increases. As temperature increases, [H+] also increases, hence pH decreases.

(b) Stratosphere.

We can have problems like coughing, nausea, headache and diseases related to lungs can have from smoke coming out of vehicles

(b) The primary productivity of tropical rain forest is very high as the tropical rain forest contains decayed leaves, plants, etc. which acts as organic fertilizers. Hence tropical rain forest...

If water is sprayed onto an oil fire, then the oil will float to the top of the water and continue to burn. This can be very dangerous because water...