The chief ingredient of the mosquito repellent cream is derived from ?

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The speed of light with the rise in the temperature of the medium____________?

A. Decrease B. Increase C. Remain the same D. First decrease then increase...

An element that does not occur in nature but can be produced artificially is__________?

A. Plutonium B. Uranium C. Radium D. Thorium...

In Fishes excretory Product is__________?

A. Nitrogen B. Ammonia C. Uria D. Carbon dioxide...

What is the rank of the earth in the olar systen in terms of size

a) 5th b) 4th c) 3rd...

Unit of surface tension in cgs system is________?

A. Pascal B. N/m C. Dyn/cm D. None...