Chemistry The metal extracted from Bauxite is : Aluminum Silver Copper Manganese Aluminum Silver Copper Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? Zero 18 12 6 Zero 18 12 6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Phosphorus Sulphur Carbon Hydrogen Phosphorus Sulphur Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the covalency of nitrogen in ammonia molecule 5 3 2 4 5 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Stratosphere Troposphere Exosphere Ionosphere Stratosphere Troposphere Exosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Hydrogen Carbon dioxide Oxygen All of them Hydrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
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