English

Select the Correct Answer for the Statement Given Below: the Neutral Gas Obtained on Thermal Decomposition of Potassium Nitrate. - Chemistry

Advertisements
Advertisements

Question

Select the correct answer for the statement given below:

The displaced product of the displacement reaction of sodium with cold water.

Options

  • Iron

  • Carbonic acid

  • Hydrogen

  • Oxygen

  • Carbon monoxide

MCQ
Advertisements

Solution

Hydrogen

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Chemical Reactions - Objective type questions

APPEARS IN

Viraf J. Dalal New Simplified Middle School Chemistry [English] Class 8
Chapter 6 Chemical Reactions
Objective type questions | Q 1.3

RELATED QUESTIONS

Write the balanced chemical equation for the following and identify the type of reaction.

\[\ce{Magnesium(s) + Hydrochloric acid(aq) -> Magnesium chloride(aq) + Hydrogen(g)}\]


what type of reaction is the following:

Cl+ 2KI → 2KCl + I2 


What happens when a zinc strip is dipped into a copper sulphate solution?
Name the type of reaction involved.


A strip of metal X is dipped in a blue coloured salt solution YSO4. After some time, a layer of metal Y from the salt solution is formed on the surface of metal strip X. Metal X is used in galvanisation whereas metal Y is used in making electric wires. Metal X and metal Y together form an alloy Z.
(a) What could metal X be?
(b) What could metal Y be?
(c) Name the metal salt YSO4.
(d) What type of chemical reaction takes place when metal X reacts with salt solution YSO4? Write the equation of the chemical reaction involved.
(e) Name the alloy Z.


When a strip of red-brown metal X is placed in a colourless salt solution YNO3 then metal Y is set free and a blue coloured salt solution X(NO3)2 is formed. The liberated metal Y forms a shining white deposit on the strip of metal X.
(a) What do you think metal X is?
(b) Name the salt YNO3.
(c) What could be metal Y?
(d) Name the salt X(NO3)2.
(e) What type of reaction takes place between metal X and salt solution YNO3?


Name the type of reaction which is governed by the position of a metal in the metal activity series ?


Identify the type of reaction taking place in the following case and write the balanced chemical equation for the reaction.
Zinc reacts with silver nitrate to produce zinc nitrate and silver.


Give a balanced equation for –

A displacement reaction involving a metal above hydrogen in the activity series with copper [II] sulphate solution


Consider the following chemical equation I and II

  1. \[\ce{Mg + 2HCl -> MgCl_2 +H_2}\]
  2. \[\ce{NaOH +HCl -> NaCl + H_2O}\]

The correct statement about these equations is:


State the change in colour observed in following case mentioning the reason:

A piece of zinc is dipped in ferrous sulphate solution.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×