मराठी

Hydrogen can be prepared with the metal zinc by using: acid. Give an equation. - Chemistry

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प्रश्न

Hydrogen can be prepared with the metal zinc by using:

acid

Give an equation.

एका वाक्यात उत्तर
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उत्तर

\[\ce{Zn + 2HCl → ZnCl2 (dil{.}) + H2 \uparrow}\]

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Application of Activity Series in the Preparation of Hydrogen
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Study of the First Element - Hydrogen - Exercise 6 (B) [पृष्ठ १०५]

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सेलिना Concise Chemistry [English] Class 9 ICSE
पाठ 6 Study of the First Element - Hydrogen
Exercise 6 (B) | Q 1.1 | पृष्ठ १०५

संबंधित प्रश्‍न

From the knowledge of activity series, name a metal which shows the following properties:

It displaces hydrogen from dilute HCl.


A small piece of calcium metal is put into a small trough containing water. There is effervescence and white turbidity is formed.

Write an equation for the reaction.


Write a balanced equation for the reaction named metal with (i) boiling water (ii) steam.


When hydrogen is passed over a black solid compound A, the products are a 'colorless liquid' and a 'reddish-brown metal B'.

Substance B is divided into two parts each placed in separate test tubes.

Dilute HCl is added to one part of substance B and dilute HNO3 to the other.

  1. Name the substances A and B.
  2. Give two tests for the colourless liquid formed in the experiment.
  3. What happens to substance A when it reacts with hydrogen? Give reasons for your answer.
  4. Write an equation for the reaction between hydrogen and substance A.
  5. Is there any reaction between substance B and dilute hydrochloric acid? Give reasons for your answer.

Select the odd one out and justify your answer.

Zn, Fe, Mg, and Na


Select the odd one out and justify your answer.

SO2, H2S, NH3, and CO3


Which of the following metals does not give hydrogen with acids?


Using dilute sulphuric acid how would you differentiate between:

Copper and magnesium

How would you identify the gaseous products evolved.


State why hydrogen is not prepared in the laboratory by the action of lead with dilute hydrochloric acid.


Name the following.

A metal below iron but above copper in the activity series of metals which has no reaction with water.


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