Advertisements
Advertisements
प्रश्न
State the type of reactions for the following represent and balance the ones that are not balanced.
NaOH + HCl → NaCl + H2O
Advertisements
उत्तर
NaOH + HCl → NaCl + H2O
Neutralisation reaction
APPEARS IN
संबंधित प्रश्न
MULTIPLE CHOICE QUESTIONS
Tick the most appropriate answer.
Which one of the following alters the rate of the chemical reaction without itself undergoing any change?
- temperature and Pressure
- concentration of reactants
- presence of catalyst
- none of these
Match the column in the following table.
| Reactants | Products | Type of chemical reaction |
| BaCl2(aq) + ZnSO4(aq) | H2CO3(aq) | Displacement |
| 2AgCl(s) | FeSO4(aq) + Cu(s) | Combination |
| CuSO4(aq) + Fe(s) | BaSO4↓ + ZnCl2(aq) | Decomposition |
| H2O(l) + CO2(g) | 2Ag(s) + Cl2(g) | Double displacement |
Explain by writing a word equation.
Limestone powder disappears on adding to dilute hydrochloric acids.
When electric current is passed through acidulated water ______ of water takes place.
Give reason for the following:
Silver nitrate solution is kept in coloured bottles.
Select the correct answer from the options given below:
State the gaseous product formed, when
An active metal reacts with dilute sulphuric acid.
What happens when cane sugar is strongly heated? Mention any two changes in it.
What is the role of a catalyst in a chemical reaction?
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:
What are the chemical reactions that occur in everyday life?
