Suggest some ways to save oil.

Compared to other modern sports, a typical game of cricket takes a longer time to finish. A Test Match is played for five days and it still ends in a...

Paper should be saved because it takes around seventeen full grown trees to make one tonne of paper. Trees, as we know, are important to maintain a balance of nature....

[Hint :   (a) By dilution test                (b) By dye test]

Following steps can be taken to save energy at home: Switch of TV, light and fan when not in use. Use pressure cooker for cooking Soak pulses for a long time before cooking Minimize...

Some points are given here, you can add more. (i) Do not throw used tea leaves, solid food remains, etc. in the drain. Throw them in the dustbin. (ii) Chemicals like medicines,...

Compared to other modern sports, a typical game of cricket takes a longer time to finish. A Test Match is played for five days and it still ends in a...

 (b) 20% NaOH 

To dissolve the mishri quickly. First it should be crushed to make powder of it. Then after adding it into water, the mixture should be stirred thoroughly.  The mixture could also...

(c) The surface of tanker will move in forward direction with increasing velocity (as acceleration in uniform), so depth will be larger at the rear end.

(c) Gujarat oil refinery