Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Tetraethyl lead Trimethyl lead Tetramethyl lead Triethyl lead Tetraethyl lead Trimethyl lead Tetramethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from Lichen A fungus An alga A bacterium Lichen A fungus An alga A bacterium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Naphthalene Caustic potash Caustic soda Glycerol Naphthalene Caustic potash Caustic soda Glycerol ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Decreases Does not change Increases May either increase or decrease depending on the process used Decreases Does not change Increases May either increase or decrease depending on the process used ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant rare gas in the atmosphere is Xe He Ar Ne Xe He Ar Ne ANSWER DOWNLOAD EXAMIANS APP
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