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IIT JEE : Chemistry Of Non Metals QUESTIONS AND ANSWERS :: part1 : 6 to 10
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
6.Which of the following type of glass is generally used in the making of cut-glass objects? |
Crookes glass |
Lead potash glass |
Borosil glass |
Soft ordinary glass. |
7.Acidified potassium permanganate is dropped over sodium peroxide taken in a round bottom flask at room temperature, vigorous reaction takes place to produce |
hydrogen peroxide |
mixture of hydrogen and oxygen |
a colourless gas hydrogen |
a colourless gas dioxygen. |
8.In ordinary hydrogen, the approximate composition of ortho and parahydrogen is respectively |
75%, 25% |
25%, 75% |
50%, 50% |
99%, 1%. |
9.Which of the following method is used to obtain pure hydrogen? |
Treatment of magnesium ribbon with pure dil. Sulphuric acid |
Electrolysis of warm solution of barium peroxide using nickel electrodes |
By the action of water on sodium hydride |
All the above mentioned methods. |
10.Hydrogen at the moment of its generation (newly born hydrogen) is generally called |
Protium |
Nascent hydrogen |
Atomic hydrogen |
Heavy hydrogen |
More Chemistry Of Non Metals QUESTIONS AND ANSWERS available in next pages
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