Which everyday chemical reaction is responsible for rusting of iron objects?

Which scale is used to estimate wind speed based on observed sea or land conditions without instruments?

Which gas is responsible for the characteristic smell often associated with rain after a dry spell?

Which scale is commonly used to measure the intensity of hurricanes and tropical cyclones?

Which property of water allows insects like water striders to walk on its surface?

Which natural disaster is measured using the Richter scale?

Which everyday phenomenon demonstrates the principle of capillary action in plants?

Which water purification process removes dissolved salts and impurities by forcing water through a semi-permeable membrane?

Which gas commonly used in refrigerators and air conditioners was historically linked to ozone layer depletion?

Which household water purification method uses ultraviolet light to kill bacteria and viruses?

Which renewable energy source harnesses sunlight directly to generate electricity?