Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium Manganese None of these Calcium Magnesium Manganese None of these Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Citric acid is present in free form in Milk Tamarind Lemon Apple Milk Tamarind Lemon Apple ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Open system Isobaric system Isothermal system Closed system Open system Isobaric system Isothermal system Closed system ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Aluminium Iron Zinc Copper Aluminium Iron Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Tin Zinc Lead Copper Tin Zinc Lead Copper ANSWER DOWNLOAD EXAMIANS APP
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