Chemistry Catalyst is a substance which 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 None of these Has no action on the rate of the reaction Increases the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Krypton Nitrogen Argon Oxygen Krypton Nitrogen Argon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to ? and ? rays ?-rays Positive rays X-rays ? and ? rays ?-rays Positive rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Benzaldehyde Cinnaldehyde Acetaldehyde Formaldehyde Benzaldehyde Cinnaldehyde Acetaldehyde Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Carbon dioxide Nitrous oxide and sulphur dioxide Methane Carbon monoxide Carbon dioxide Nitrous oxide and sulphur dioxide Methane Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Soaps give lather with only soft water Detergents give lather even with hard water Detergents are soluble in water Detergents could not give much lather Soaps give lather with only soft water Detergents give lather even with hard water Detergents are soluble in water Detergents could not give much lather ANSWER DOWNLOAD EXAMIANS APP
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