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Deep sea divers used to respire in a mix...

Deep sea divers used to respire in a mixture of

A

oxygen and argon

B

oxygen and helium

C

oxygen and nitrogen

D

oxygen and hydrogen

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The correct Answer is:
B
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 20-PAPER 1 (Physics & Chemistry)
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  5. What is the chief product obtained when n-butane is treated with Br(2)...

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  7. In the metallurgy of iron, when limestone is added to the blast furnac...

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  8. Which of the following interhalogen anions is linear ?

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  9. Among the following the coloured compound is .

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  10. When methanol is sprinkled over hot copper plate , the smell would be

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  11. Glacial acetic acid be

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  12. What is the end product in the following sequence of reactions? C(2)...

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  13. In the ostwald's process for the manufacturing of HNO(3), the catalyst...

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  14. Which of the following monosaccharides is a pentose?

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  15. The number of ram molecules of chlorine in 602 xx 10^(25) hydrogen chl...

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  16. Which one of the following is paracetamol ?

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  18. One litre a butter solution containing 0.01 M NH(4)Cl and 0.1 M NH(4)O...

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  19. For one mole of an ideal gas, increasing the temperature from 10^(@)C ...

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