Chemistry Which one of the following chemicals helps in fruit ripening? Atrazine Malathion Ethephon Isoproturan Atrazine Malathion Ethephon Isoproturan ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Pb Os W Pt Pb Os W Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is a violent explosion. There is a crackling sound There is no reaction. The paper ignites There is a violent explosion. There is a crackling sound There is no reaction. ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the equilibrium constants for the systems H2 + I2 ? 2HI and 2HI ? H2 + I2 are K1 and K2 respectively, the relationship between K1 and K2 is : K1 = 2K2 K1 = K2/2 K1 = K2 K 1 = 1 /K2 K1 = 2K2 K1 = K2/2 K1 = K2 K 1 = 1 /K2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Carbon dioxide Nitrogen Oxygen Carbon monoxide Carbon dioxide Nitrogen Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Higher rate of photosynthesis Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Checking the penetration of ultra-violet rays to the earth Higher rate of photosynthesis Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Checking the penetration of ultra-violet rays to the earth ANSWER DOWNLOAD EXAMIANS APP
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