1. Consider the following statements
1. Acid rain is caused by emission of carbon dioxide, sulphur dioxide and nitrogen oxides.
2. The most important gas which leads to acidification is sulphur dioxide.
Which of the statement(s) given above is/are correct?
1. Acid rain is caused by emission of carbon dioxide, sulphur dioxide and nitrogen oxides.
2. The most important gas which leads to acidification is sulphur dioxide.
Which of the statement(s) given above is/are correct?
2. Which of the following is the electronic configuration of inert gas in chloride ion Cl-?
3. Which of the following statements is not true?
4. Which of the following inert gas is placed in period 5?
5. 'Sulphur' is derived from which language?
6. Which of these electronic configurations is nonmetallic?
7. When CO2 is passed through an aqueous solution of bleaching powder, the gas evolved is
8. What is the chemical symbol of sulphur?
9. Which of the following element is the second most abundant element on the earth's crust and is present in nature. It is a very important component of ceramics, glass and cement?
10. What is the meaning of the chemical symbol 'P'?
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