1. Which one among the following gases readily combines with the hemoglobin of the blood ?
Correct! Wrong!
Ans. : - (c)
2. lodised salt is a -
Correct! Wrong!
Ans. : - (c)
3. Antacids are commonly used to get rid of acidity in the stomach. A commonly used antacid is -
Correct! Wrong!
Ans. : - (b)
4. Nitric oxide pollution can lead to all of the following, except -
Correct! Wrong!
Ans. : - (d)
5. Addition of ethylene di-bromide to petrol -
Correct! Wrong!
Ans. : - (d)
6. Which one of the following reactions is the main cause of the energy radiation from the Sun ?
Correct! Wrong!
Ans. : - (a)
7. Which one among the following statements about an atom is not correct ?
Correct! Wrong!
Ans. : - (d)
8. The macro nutrients provided by inorganic fertilizer are -
Correct! Wrong!
Ans. : - (b)
9. Vermicompost is an/a -
Correct! Wrong!
Ans. : - (c)
10. Which one among the following nontoxic gases helps in formation of enzymes which ripen fruit ?
Correct! Wrong!
Ans. : - (a)