Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium Sodium, Potassium Sodium, Calcium Sodium, Magnesium Calcium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Chalk and graphite Clay and graphite Limestone and graphite Limestone and clay Chalk and graphite Clay and graphite Limestone and graphite Limestone and clay ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, silver, nickel Copper, zinc, nickel Copper, nickel, aluminium Copper, zinc, aluminium Copper, silver, nickel Copper, zinc, nickel Copper, nickel, aluminium Copper, zinc, aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A strong electrolyte A weak electrolyte Initially weak and then become a strong electrolyte A non-electrolyte A strong electrolyte A weak electrolyte Initially weak and then become a strong electrolyte A non-electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Copper Gold Zinc Iron Copper Gold Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Ammeter Acidmeter Hygrometer PH meter Ammeter Acidmeter Hygrometer PH meter ANSWER DOWNLOAD EXAMIANS APP
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