Chemistry Browning of paper in old books is caused by Lack of aeration Frequent use Collection of dust Oxidation of cellulose Lack of aeration Frequent use Collection of dust Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is Zeolite? Hydrated Calcium Sulphate Dehydrated Calcium Sulphate Dehydrated Aluminosilicate Hydrated Aluminosilicate Hydrated Calcium Sulphate Dehydrated Calcium Sulphate Dehydrated Aluminosilicate Hydrated Aluminosilicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using Low - sulphur fuels Static electricity to attract it in factory chimneys Catalytic converters in industry More efficient car engines Low - sulphur fuels Static electricity to attract it in factory chimneys Catalytic converters in industry More efficient car engines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Chlorine Sulphur Phosphorus Oxygen Chlorine Sulphur Phosphorus Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry An inert gas mixed with oxygen given to patients suffering from restricted breathing is Krypton Helium Radon Argon Krypton Helium Radon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inherited traits of an organism are controlled by enzymes DNA molecules nucleotides RNA molecules enzymes DNA molecules nucleotides RNA molecules ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS