Chemistry When formaldehyde and potassium hydroxide are heated, we get Acetylene Methyl alcohol Ethyl formate Methane Acetylene Methyl alcohol Ethyl formate Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Helium Hydrogen Nitrogen Methane Helium Hydrogen Nitrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Copper Nickel Tin Zinc Copper Nickel Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals does not react with water to produce Hydrogen ? Sodium Cadmium Lithium Potassium Sodium Cadmium Lithium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The liquid waste from kitchens and baths, of residences is known as : Storm water Domestic sewage Sullage Refuse Storm water Domestic sewage Sullage Refuse ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Peat Anthracite Lignite Bituminous Peat Anthracite Lignite Bituminous ANSWER DOWNLOAD EXAMIANS APP
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