Chemistry Who is known as the 'father of modern chemistry' Antoine Lavoisier Democritus Robert Boyle John Dalton Antoine Lavoisier Democritus Robert Boyle John Dalton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Sulphur Graphite Bauxite Phosphorus Sulphur Graphite Bauxite Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon threads are made of Polysaccharide Polyamide polymer Polyvinyl polymer Polyester polymer Polysaccharide Polyamide polymer Polyvinyl polymer Polyester polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 1.00 gram 8.00 gram 4 x 6.02 x 1023 gram 4.00 gram 1.00 gram 8.00 gram 4 x 6.02 x 1023 gram 4.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is added to aviation gasoline because it Increases efficiency of petrol Prevents freezing of petrol Reduces consumption of petrol Reduces evaporation of petrol Increases efficiency of petrol Prevents freezing of petrol Reduces consumption of petrol Reduces evaporation of petrol ANSWER DOWNLOAD EXAMIANS APP
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