Phosphine
Nitrogen
Oxygen
Sulphur dioxide
A genetically engineered form of brinjal known as the BT brinjal has been developed. The goal of this is
A glass tumbler containing ice shows droplets of water on the outer surface because
A gold leaf electroscope is charged and the leaves are observed to diverge by a certain amount. The beam of X-rays is allowed to fall upon the electroscope for a short period. The effect is as follows :
A homogeneous class _.
A hot and a cold body are kept in vacuum separated from each other. Which among the given cause decrease in temperature of the hot body?
A hybrid propellant contains
A jug is filled the brim with water at 0ºC. A piece of ice floats in it. The moment the ice melts.
A liquid drop tends to assume a spherical shape because of.
A man cannot see clearly beyond 10 meters. The disease he suffers from
A man is standing on a boat in still water, if he walks towards the shore, the boat will
