Chemistry Petroleum consists of a mixture of Carbides Carbonates Hydrocarbons Carbohydrates Carbides Carbonates Hydrocarbons Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Acetic acid Formic acid Oxalic acid Citric acid Acetic acid Formic acid Oxalic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Petroleum Wool wax Coal tar Plant gums Petroleum Wool wax Coal tar Plant gums ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Methane emission CFC emission Deforstation Carbondioxide emission Methane emission CFC emission Deforstation Carbondioxide emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide Oxygen All of them ANSWER DOWNLOAD EXAMIANS APP
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