Chemistry The two metal ions that cause hardness to water are: Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium Sodium, Calcium Sodium, Potassium Calcium, Magnesium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Mica Petroleum Coal Natural Gas Mica Petroleum Coal Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, carbonate ore of Zinc is Zincite Zincblende Calamine Sphalerite Zincite Zincblende Calamine Sphalerite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Graphite Carbon black Coke Coal Graphite Carbon black Coke Coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Oxalic acid Salycylic acid Formic acid Acetic acid Oxalic acid Salycylic acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Propane Ethane Butane Methane Propane Ethane Butane Methane ANSWER DOWNLOAD EXAMIANS APP
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