Chemistry Which of the following is not a commercial source of energy? Natural Gas Firewood Petroleum Coal Natural Gas Firewood Petroleum Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of neutrons the number of protons and electrons the number of protons the number of nucleons the number of neutrons the number of protons and electrons the number of protons the number of nucleons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from An insect A fungus A seed plant A bacterium An insect A fungus A seed plant A bacterium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Sodium bicarbonate Calcium hydroxide Magnesium carbonate Magnesium hydroxide Sodium bicarbonate Calcium hydroxide Magnesium carbonate Magnesium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium dihydrogen phosphate Phosphoric acid Sodium phosphate Disodium hydrogen phosphate Sodium dihydrogen phosphate Phosphoric acid Sodium phosphate Disodium hydrogen phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Nitrogen Calcium Phosphorus Sulphur Nitrogen Calcium Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
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