Ela Chowdhury Solutions for Chapter: Hydrogen, Exercise 1: Exercise

Author:Ela Chowdhury

Ela Chowdhury Chemistry Solutions for Exercise - Ela Chowdhury Solutions for Chapter: Hydrogen, Exercise 1: Exercise

Attempt the practice questions on Chapter 6: Hydrogen, Exercise 1: Exercise with hints and solutions to strengthen your understanding. Unravelling Science Chemistry solutions are prepared by Experienced Embibe Experts.

Questions from Ela Chowdhury Solutions for Chapter: Hydrogen, Exercise 1: Exercise with Hints & Solutions

MEDIUM
8th ICSE
IMPORTANT

In the laboratory, hydrogen gas is prepared by the reaction of _____ with hydrochloric acid.

EASY
8th ICSE
IMPORTANT

Which of the following is not a property of hydrogen?

EASY
8th ICSE
IMPORTANT

Which of the following acts as a catalyst in Haber's process?

MEDIUM
8th ICSE
IMPORTANT

Hydrogen can be liquefied under high pressure and by cooling it below _____.

HARD
8th ICSE
IMPORTANT

Solve the crossword with the help of the given clues.

Question Image 

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1. Decomposition of a compound by the passage of electricity.

2. Zinc reacts with steam to produce.

4. Reactions that involve addition of hydrogen.

6. Metal placed just above hydrogen in metal reactivity series.

Across

3. Inflammable air.

5. Hydrogen filled balloons were earlier used in. 

7. Reactions that involve addition of oxygen.

8. Hydrogen combines with nitrogen to form.

HARD
8th ICSE
IMPORTANT

What are the physical properties of hydrogen?

HARD
8th ICSE
IMPORTANT

How does hydrogen react with metals? Explain with the help of examples.

HARD
8th ICSE
IMPORTANT

Give five uses of hydrogen.