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1. The method that cannot be used for removing permanent hardness of water is

2. Of the following foods, which one is the best source of protein?

3. The ionization energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is

4. Which of the following gases is not a noble gas?

5. Lime is sometimes applied to soil in order to

6. Hybridization is

7. Penicillin is widely used as

8. In a normal human body, the total number of red blood cells is

9. Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the

10. Heavy alcohol consuming people generally dies of



Arbaj Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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