Chemistry Baking soda is : Potassium carbonate Sodium carbonate Sodium bicarbonate Sodium hydroxide Potassium carbonate Sodium carbonate Sodium bicarbonate Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Nitric acid Sulphuric acid Lactic acid Hydrochloric acid Nitric acid Sulphuric acid Lactic acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Bauxite Iron Copper Manganese Bauxite Iron Copper Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a None of these Mixture Metal Element None of these Mixture Metal Element ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Ozone and carbon dioxide Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Carbon monoxide and nitrogen Ozone and carbon dioxide Carbon dioxide and carbon monoxide Oxides of nitrogen and sulphur Carbon monoxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP