GK Tips 7 (Science)

1.The light with longest wavelength in the visible spectrum is :- ?

Red

2.Leaves are green due to the presence of ____ ?

Chlorophyll

3.The energy possessed by the water collected in the reservoir of a dam :- ?

Potential Energy

4.Bleaching Powder is produced by passing Chlorine over  ____ ?

Calcium Carbonate

5.The most abundant substance on the Earth is ____ ?

Water

6.The Gas which causes acid rain in industrial area ?

Sulfur Dioxide

7.The unit of Power is ___?

Watt

8.About 80 to88% of milk consists of ____ ?

Water

9.Which is the nearest star to the Earth ?

Sun

10.The lower part of the atmosphere of the Earth is called ?

Troposphere

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