All In One ICSE Chemistry>Chapter 6 - Study of First Element-Hydrogen>EXAM PRACTICE>Q 37

MEDIUM

9th ICSE

IMPORTANT

Earn 100

When a neutral gas A which burns with popping sound is passed through boiling yellow non-metal B’ it forms gas C.

Give the characteristic odour of gas C.

Important Questions on Study of First Element-Hydrogen

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9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 6 - Study of First Element-Hydrogen>CHAPTER EXERCISE>Q 3

_____ metal lies below hydrogen but above mercury in the activity series.

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9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 6 - Study of First Element-Hydrogen>CHAPTER EXERCISE>Q 5

Acidulated water has more

X^{+}

ions than pure (distilled) water. Here, X is _____.

(H, OH, N)

EASY

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 6 - Study of First Element-Hydrogen>CHAPTER EXERCISE>Q 9

Which one of the following is least reactive?

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9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 6 - Study of First Element-Hydrogen>CHAPTER EXERCISE>Q 11

Which of the following impurities is removed by

Pb ({NO}_{3})_{2}

solution?

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9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 6 - Study of First Element-Hydrogen>CHAPTER EXERCISE>Q 13

Hydrogen gas, now a days, is not preferred to be used

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9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 6 - Study of First Element-Hydrogen>CHAPTER EXERCISE>Q 16

Name the solutions used to separate

{PH}_{3}

and

{SO}_{2}

respectively from hydrogen gas prepared in the laboratory.

MEDIUM

9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 6 - Study of First Element-Hydrogen>CHAPTER EXERCISE>Q 19

Give four uses of hydrogen gas.

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9th ICSE

IMPORTANT

All In One ICSE Chemistry>Chapter 6 - Study of First Element-Hydrogen>CHAPTER EXERCISE>Q 20

Which of the following metals can be used for liberating hydrogen from dilute hydrochloric acid? Write reactions as well.

(i) Zinc

(ii) Copper

(iii) Iron

(iv) Silver

(v) Magnesium