Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese None of these Magnesium Calcium Manganese None of these Magnesium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is Zeolite? Hydrated Aluminosilicate Dehydrated Calcium Sulphate Hydrated Calcium Sulphate Dehydrated Aluminosilicate Hydrated Aluminosilicate Dehydrated Calcium Sulphate Hydrated Calcium Sulphate Dehydrated Aluminosilicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Nickel Tin Copper Zinc Nickel Tin Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Tartaric acid Oxalic acid Acetic acid Malic acid Tartaric acid Oxalic acid Acetic acid Malic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Ethane Ethylene Acetylene Methane Ethane Ethylene Acetylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide Ammonia and Ozone Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Carbon tetraflouride and Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
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