Chemistry When cathode rays strike a target of high atomic weight, they give rise to ? and ? rays X-rays ?-rays Positive rays ? and ? rays X-rays ?-rays Positive rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Methane emission Deforstation CFC emission Carbondioxide emission Methane emission Deforstation CFC emission Carbondioxide emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Made anode and a pure nickel rod, the cathode Coated with nickel sulphate and dried Made cathode and a pure nickel red, the anode Dipped in a nickel sulphate solution Made anode and a pure nickel rod, the cathode Coated with nickel sulphate and dried Made cathode and a pure nickel red, the anode Dipped in a nickel sulphate solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Formic acid Carbonic acid Sulphuric acid Acetic acid Formic acid Carbonic acid Sulphuric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and dioxin Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and dioxin Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Baking soda Soda lime Baking powder Soda ash Baking soda Soda lime Baking powder Soda ash ANSWER DOWNLOAD EXAMIANS APP
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