Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Lithium Sodium Cadmium Potassium Lithium Sodium Cadmium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Geothermal energy Natural Gas Petroleum Coal Geothermal energy Natural Gas Petroleum Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for 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 Higher rate of photosynthesis Supplying oxygen for people travelling in jets ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder is an alloy of Copper, lead Tin, lead Sodium, lead Lead, zinc Copper, lead Tin, lead Sodium, lead Lead, zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Carbon monoxide Methane Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide Methane Nitrous oxide and sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is Lead powder White lead Silver powder Aluminium powder Lead powder White lead Silver powder Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
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