Chemistry Which of the following is not an addition polymer Polystyrene Nylon Polythene PVC Polystyrene Nylon Polythene PVC 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 Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Calcium oxide Aluminium oxide Magnesium oxide Zinc oxide Calcium oxide Aluminium oxide Magnesium oxide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in River water Rain water Sea water Distilled water River water Rain water Sea water Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Magnesium carbonate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Magnesium sulphate equivalents Calcium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is very reactive and kept in kerosene? Iodine Bromine Sodium Potassium Iodine Bromine Sodium Potassium ANSWER DOWNLOAD EXAMIANS APP
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