Metal oxides which react with acids as well as bases are called
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Which of the following is used for disinfecting drinking water?
Which of the following metals is a liquid at room temperature?
Which among the following is called quicksilver?
15% of an alloy was silver. If in a quantity of alloy there was 51 g of silver, what was the quantity of the other elements in the alloy?
Acid Rain has pH value of
Which of the following is called Aurum?
In the following gases, which is not a colorless or odourless gas?
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