Chemistry What is the element that is in the highest percentage in the composition of the earth ? Silicon Magnesium Iron Oxygen Silicon Magnesium Iron Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide Nitrogen dioxide Chlorofluorocarbon Hydrogen sulphide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The National Chemical Laboratory (India) is located in Bangaluru Hyderabad Mumbai Pune Bangaluru Hyderabad Mumbai Pune ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Hydrogen Carbon and Oxygen Carbon and Nitrogen Carbon and Sulphur Carbon and Hydrogen Carbon and Oxygen Carbon and Nitrogen Carbon and Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Hydrogen Carbon Phosphorus Sulphur Hydrogen Carbon Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Submarines move under water. They have engines that run on Diesel Batteries Petrol and oxygen Steam Diesel Batteries Petrol and oxygen Steam ANSWER DOWNLOAD EXAMIANS APP
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