Chemistry Petroleum consists of a mixture of Carbides Carbohydrates Hydrocarbons Carbonates Carbides Carbohydrates Hydrocarbons Carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Chlorofluorocarbon Hydrogen Carbon dioxide Nitric oxide Chlorofluorocarbon Hydrogen Carbon dioxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Coloured impurities Oxygen Nitrous oxide Nitrogen dioxide Coloured impurities Oxygen Nitrous oxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Sulphur Phosphorous Magnesium Silicon Sulphur Phosphorous Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Fermi Micron Angstrom Nanometre Fermi Micron Angstrom Nanometre ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for 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 Higher rate of photosynthesis Increasing the average global temperature in recent years ANSWER DOWNLOAD EXAMIANS APP
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