Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Trimethyl lead Tetraethyl lead Tetramethyl lead Triethyl lead Trimethyl lead Tetraethyl lead Tetramethyl lead Triethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Silver Copper Nickel Zinc Silver Copper Nickel Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Solvent Coagulant Adsorbent Absorbent Solvent Coagulant Adsorbent Absorbent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which None of these Has no action on the rate of the reaction Increases the rate of the reaction Decreases the rate of reaction None of these Has no action on the rate of the reaction Increases the rate of the reaction Decreases the rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry DDT and BHC may act as None of these Asthematic agents Carcinogens Allergens None of these Asthematic agents Carcinogens Allergens ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Magnetite Siderite Bauxite Haematite Magnetite Siderite Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP
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