Chemistry Sulphur dioxide bleaches colouring matter by : Reduction Decomposition Oxidation Dehydration Reduction Decomposition Oxidation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of CI– and [CO3]2– HCI and NaCI [HCO3]– and H2CO3 CI– and [HCO3]– CI– and [CO3]2– HCI and NaCI [HCO3]– and H2CO3 CI– and [HCO3]– ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Magnesium nitride (Mg3N2) Zinc phosphide (Zn3P2) Magnesium phosphide (Mg3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Curd is sour due to presenceof Acetic acid Oxalic acid Lactic acid Tartaric acid Acetic acid Oxalic acid Lactic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Sulphur Carbon Hydrogen Phosphorus Sulphur Carbon Hydrogen Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Limestone, Clay and Gypsum Limestone and Clay Limestone and Gypsum Clay and Gypsum Limestone, Clay and Gypsum Limestone and Clay Limestone and Gypsum Clay and Gypsum ANSWER DOWNLOAD EXAMIANS APP
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