Chemistry Sea weeds are important source of Chlorine Iodine Iron Bromine Chlorine Iodine Iron Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 10, 8 2, 8, 8, 2 2, 6, 8, 4 2, 8, 10 2, 10, 8 2, 8, 8, 2 2, 6, 8, 4 2, 8, 10 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
Chemistry When Hydrogen starts burning in air, it produces ? Water Carbonic Acid Methane Ammonia Water Carbonic Acid Methane Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Prevent making a colloid Stabilise mixture Stabilise the colloid and prevent crystallisation Enrich the aroma Prevent making a colloid Stabilise mixture Stabilise the colloid and prevent crystallisation Enrich the aroma ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is used in photography ? Potassium nitrate Aluminium hydroxide Sodium chloride Silver bromide Potassium nitrate Aluminium hydroxide Sodium chloride Silver bromide ANSWER DOWNLOAD EXAMIANS APP
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