Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.25 mole 0.4 mole 0.5 mole 0.2 mole 0.25 mole 0.4 mole 0.5 mole 0.2 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry An emulsifier is an agent which Accelerates the dispersion Aids the flocculation of an emulsion Stabilises an emulsion Homogenises an emulsion Accelerates the dispersion Aids the flocculation of an emulsion Stabilises an emulsion Homogenises an emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 5 and 10 km 10 and 20 km 50 and 100 km 20 and 50 km 5 and 10 km 10 and 20 km 50 and 100 km 20 and 50 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 4 –3 to + 3 –3 to + 5 –3 to + 6 –3 to + 4 –3 to + 3 –3 to + 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide bleaches colouring matter by : Reduction Dehydration Oxidation Decomposition Reduction Dehydration Oxidation Decomposition ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Calcium phosphide (Ca3P2) Magnesium phosphide (Mg3P2) ANSWER DOWNLOAD EXAMIANS APP
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