Chemistry The lightest gas which is non-inflammable is Hydrogen Helium Nitrogen Oxygen Hydrogen Helium Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Carbon Hydrogen Phosphorus Sulphur Carbon Hydrogen Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Phosphorus Bromine Sulphur Silicon Phosphorus Bromine Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' John Dalton Antoine Lavoisier Robert Boyle Democritus John Dalton Antoine Lavoisier Robert Boyle Democritus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Elasticity Viscosity Surface tension Floatation Elasticity Viscosity Surface tension Floatation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron ANSWER DOWNLOAD EXAMIANS APP
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