Pure silicon
Platinum
Copper
Nichrome
For which one of the following is capillarity not the reason?
Formic acid is produced by
Foul smell in a Urinal is caused due to ?
Four beats per second are heard in a gas when two waves of wavelength 1.0 m and 1.01 m are passed in it. The speed of sound in the gas will be :
Free-living nitrogen fixing microorganisms are
Friction can be reduced by changing from
From which part of Opium plant we get morphine -
Fungi are always
Fungi are plants that lack:
Galena is a mineral of
