Chemistry The chemical used in embalming biological materials is Formaldehyde in water Formaldehyde in methanol Ethylene glycol Gaseous formaldehyde Formaldehyde in water Formaldehyde in methanol Ethylene glycol Gaseous formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Calcium salts used as fertilizer is : Calcium Sulphate Calcium Cyanide Calcium Carbonate Calcium Carbide Calcium Sulphate Calcium Cyanide Calcium Carbonate Calcium Carbide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Formic acid Carbonic acid Acetic acid Sulphuric acid Formic acid Carbonic acid Acetic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a spoon is to be electroplated with nickel the spoon is Dipped in a nickel sulphate solution Coated with nickel sulphate and dried Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode Dipped in a nickel sulphate solution Coated with nickel sulphate and dried Made anode and a pure nickel rod, the cathode Made cathode and a pure nickel red, the anode ANSWER DOWNLOAD EXAMIANS APP
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