Which element is generally No Radioactive?
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Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?
Which of the following is the best fire-extinguisher?
Give an example of a salt which gives an aqueous solution of pH less than 7.
Which among the following metal is used for galvanization?
What is nature of pH of Milk?
The oceanic crust mainly consists of silica and __________.
Process of loosing electrons is known as _____.
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