Advertisements
Advertisements
प्रश्न
Complete the table given below.
| Heat on copper carbonate | Test for gas evolved |
Advertisements
उत्तर
| Heat on copper carbonate | Test for gas evolved | Colourless (CO2 Carbon dioxide) |
APPEARS IN
संबंधित प्रश्न
Name three reducing agents ?
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
The white particles of baking soda disappear when put in lemon juice. This means that it is a ______ change.
Give an example of the following chemical change.
Two solids combine to form a liquid
What do you observe? When
Water is added to the quick lime.
Give a chemical test to distinguish between the following gases.
H2 and CO2
Distinguish by dilute sulphuric acid.
Sodium Sulphite and sodium carbonate?
Represent the addition of dilute sulphuric acid to zinc by means of a chemical equation. State the function of the arrow between the reactants and products.
Give a word equation for the following reaction.
An exothermic reaction where both the reactants are gases, one of which is oxygen.
Melting of wax is a change where a solid changes to liquid state. Give one more such change which you observe in your surroundings
The simplest method of preventing rusting of iron is to coat it with oil, grease, or paint. The reason being ______.
