Chemistry Two elements which can form a large number of compounds are Carbon and Nitrogen Carbon and Hydrogen Carbon and Sulphur Carbon and Oxygen Carbon and Nitrogen Carbon and Hydrogen Carbon and Sulphur Carbon and Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium carbonate Sodium hydroxide Sodium bicarbonate Potassium carbonate Sodium carbonate Sodium hydroxide Sodium bicarbonate Potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon 0.5 to 1.5 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon 0.5 to 1.5 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Chlorofluorocarbon Nitrogen dioxide Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide Hydrogen sulphide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? H2 O2 N 2 He H2 O2 N 2 He ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O2 and O3 Oxides of N and S O3 and N2 O2 and N2 O2 and O3 Oxides of N and S O3 and N2 O2 and N2 ANSWER DOWNLOAD EXAMIANS APP
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