A common disnfectant used in village wells is

The common salt used in food in

Common energy source in village is

Common energy source in village is

Common salt used in kitched as well as be used as the raw material for making : Washing soda Bleaching powder Baking soda Slaked lime

Name common pills use.

Small ponds traditionally used in villages.

A surevy conduceted on 1800 villages shows that 25% of the total villages have only adequate water supply. 15% of the total number have proper supply proper supply of electricity only. 7% of the total number of villages have only proper education facilities. 12% of the total number of villages have tele-communication services only. 16% of the total number of villages have proper health care services only. 6% of the total number of villages adequate water as well as supply of electricity . 8% of the total number of villages have adequate supplu of water, electricity as well as health care services. 5% of the total number of villages as well as health care services and 6% of the total number of villages have all the facilities . How many villages in all have adequate water supply ?

Ram used to live in a remote village of Rajasthan which didn’t have electricity. He was a good student and studied very hard to become an engineer in spite of all hardships. While studying, he came to know that solar energy can be converted to electrical energy by using specially designed devices. He went to his village and discussed it with villagers. He also told them that Govt. also gives subsidy for using solar devices. All the villagers agreed and they contacted the Govt. officials who obliged their request and the village became the model village which used solar energy for electricity. (iii) Why is solar energy a batter source of energy?