Chemistry The hardest form of carbon is charcoal coke graphite diamond charcoal coke graphite diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of a nucleus is a fraction the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight always less than its atomic number a fraction the sum of the number of protons and neutrons present in the nucleus always more than the atomic weight always less than its atomic number ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Three Two Zero One Three Two Zero One ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when kept in the open for sometime due to the formation of Carbonic acid Citric acid Acetic acid Lactic acid Carbonic acid Citric acid Acetic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Sodium Chloride Picric acid Glycerine Sodium Benzoate Sodium Chloride Picric acid Glycerine Sodium Benzoate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogenated wafers Aluminium sulphide Aluminium phosphide Hydrogen sulphide Hydrogenated wafers Aluminium sulphide Aluminium phosphide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
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