Advertisements
Advertisements
प्रश्न
Complete the table given below.
| Heat on copper carbonate | Test for gas evolved |
उत्तर
| Heat on copper carbonate | Test for gas evolved | Colourless (CO2 Carbon dioxide) |
APPEARS IN
संबंधित प्रश्न
Complete and balance the following chemical equations
NaCI + `AgNO_3` `→`
Name the type of chemical reaction shown by the following equation:
CaCO3 → CaO + CO2
Name the type of chemical reaction shown by the following equation:
Fe + CuSO4 → FeSO4 + Cu
Write the chemical reaction where the following changes are observed.
Precipitate is formed
What do you understand by 'chemical reaction'?
What do you observe? When
Sodium chloride solution is added to silver nitrate solution.
Give an example of the following chemical changes.
A reaction where colour change is noticed.
Explain the term ‘chemical reaction’ with special reference to – ‘reactants’ and ‘products’.
Select the correct answer for the following options:
The black residue obtained on heating copper carbonate.
Select the correct answer for the following options:
The pale blue precipitated obtained when copper [II] sulphate reacts with sodium hydroxide.
Name the following:
The type of change physical or chemical involved – ‘during respiration in human beings’.
Complete the table given below.
| Addition of dil. H2SO4 to zinc | Test for gas evolved |
Complete the table given below.
| Flame test for calcium chloride | Acid used for flame test |
Mention the various conditions required for a chemical reaction to occur.
Which of the following is not an “element + element → compound” type reaction?
Which of the following is a chemical change?
Is the conversion of milk into ice cream a chemical change?
Write the equation for the process of formation of rust.
______ is the chemical name of rust.
