Advertisements
Advertisements
प्रश्न
Complete the table given below.
| Addition of dil. H2SO4 to KHCO3 | Name of residue obtained |
Advertisements
उत्तर
| Addition of dil. H2SO4 to KHCO3 | Name of residue obtained | K2SO4 Residue is potassium sulphate |
APPEARS IN
संबंधित प्रश्न
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{NH3_{(g)} + HCl_{(g)} -> NH4Cl_{(s)}}\]
Write the missing reactants and products and balance the equations.
................+ HCI `→` NaCI + `"H"_2"O"` + .........................
Choose the correct option from the bracket and explain the statement giving a reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition)
Addition of an aqueous solution of ZnSO4 to an aqueous solution of BaCl2 is an example of ______ reaction.
Write the chemical reaction where the following changes are observed.
Gas is evolved
Complete and balance the following reaction:
\[\ce{NH3 + O2 ->[\Delta]}\]
Classify the following as physical or chemical properties
Most metal oxides form alkalis on interacting with water.
Which of the following is/are true when milk changes into curd?
- Its state is changed from liquid to semi solid.
- It changes colour.
- It changes taste.
- The change cannot be reversed.
Choose the correct option from below:
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
Are these changes chemical in nature?
Photosynthesis is a chemical charge. Justify your answer.
When milk is mixed with coffee decoction, the colour of milk and decoction changes due to ______.
