Chemistry The presence of ozone in the stratosphere is responsible for Higher rate of photosynthesis Supplying oxygen for people travelling in jets Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Higher rate of photosynthesis Supplying oxygen for people travelling in jets Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Methane Ethylene Ethane Acetylene Methane Ethylene Ethane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Carbon dioxide Chlorine Carbon monoxide Sulphur dioxide Carbon dioxide Chlorine Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher D, a A, c A, b B, c D, a A, c A, b B, c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? Fe2+ A l3+ Mg2+ Ca2+ Fe2+ A l3+ Mg2+ Ca2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the combination of CO and H2O CO2and H2 CO2 and CO CO and H2 CO and H2O CO2and H2 CO2 and CO CO and H2 ANSWER DOWNLOAD EXAMIANS APP
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