Chemistry Which among the following is pure matter ? Air Iron Brass Carbon–dioxide Air Iron Brass Carbon–dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a bond is formed between two atoms, the energy of the system will Decrease May increase or decrease Remain the same Increase Decrease May increase or decrease Remain the same Increase ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Withstand higher temperatures Strong and hard Soft and flexible Chemical resistant Withstand higher temperatures Strong and hard Soft and flexible Chemical resistant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium bicarbonate Sodium chloride Sodium carbonate Sodium nitrate Sodium bicarbonate Sodium chloride Sodium carbonate Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Oxygen only Oxygen and Nitrogen Oxygen and Carbon Hydrogen and Carbon Oxygen only Oxygen and Nitrogen Oxygen and Carbon Hydrogen and Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 3 4 6 7 3 4 6 7 ANSWER DOWNLOAD EXAMIANS APP
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