Chemistry The atmospheric gas that is mainly responsible for Green House effect : Nitrogen Ozone Carbondioxide Oxygen Nitrogen Ozone Carbondioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy is always absorbed More energy is released than is absorbed Energy is neither released nor absorbed Energy in always released Energy is always absorbed More energy is released than is absorbed Energy is neither released nor absorbed Energy in always released ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Hydrogen Phosphorus Sulphur Carbon Hydrogen Phosphorus Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Sodium, Potassium Calcium, Magnesium Sodium, Calcium Sodium, Magnesium Sodium, Potassium Calcium, Magnesium Sodium, Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Manganese Aluminum Silver Copper Manganese Aluminum Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Potassium sulphate Sodium sulphate Zinc sulphate Lead Sulphate Potassium sulphate Sodium sulphate Zinc sulphate Lead Sulphate ANSWER DOWNLOAD EXAMIANS APP
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