मराठी

What Happens When a Solution of Sodium Hydrogencarbonate is Heated? Write Equation of the Reaction Involved. - Science

Advertisements
Advertisements

प्रश्न

 What happens when a solution of sodium hydrogencarbonate is heated? Write equation of the reaction involved.

उत्तर

When a solution of sodium hydrogen carbonate (NaHCO3) is heated, it decomposes to give sodium carbonate (Na2CO3) with the evolution of carbon dioxide gas.

2NaHCO3 → HeatNa2CO3+ CO2 +H2O +">NaHCOHeat→Na2CO3+CO2+H2O 

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Acids, Bases and Salts - Exercise 3 [पृष्ठ ९८]

APPEARS IN

लखमीर सिंह Chemistry (Science) [English] Class 10
पाठ 2 Acids, Bases and Salts
Exercise 3 | Q 38.2 | पृष्ठ ९८

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

What happens when an acid reacts with a metal carbonate? Explain with the help of an example. Write chemical equation of the reaction involved.


A first-aid manual suggests that vinegar should be used to treat wasp stings and baking soda for bee stings. What does this information tell you about the chemical nature of:

 bee stings?


Write the chemical formula of  soda ash?


When _______________ is passed through fresh lime water, it turns milky.


Write any four physical properties of acids.


The table given below shows the reaction of a few elements with acids and bases to evolve Hydrogen gas.

Element Acid Base
A
B
C
D

Which of these elements form amphoteric oxides?


Which of the following salts does not contain any water of crystallisation?


In the following schematic diagram for the preparation of hydrogen gas as shown in the figure, what would happen if following changes are made?

  1. In place of zinc granules, same amount of zinc dust is taken in the test tube
  2. Instead of dilute sulphuric acid, dilute hydrochloric acid is taken
  3. In place of zinc, copper turnings are taken
  4. Sodium hydroxide is taken in place of dilute sulphuric acid and the tube is heated.

A sulphate salt of Group 2 element of the Periodic Table is a white, soft substance which can be moulded into different shapes by making its dough. When this compound is left in open for some time, it becomes a solid mass and cannot be used for moulding purposes. Identify the sulphate salt. Why does it show such a behaviour? Give the reaction involved.


Solutions of acids conduct ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×