Advertisements
Advertisements
प्रश्न
The metal which produces hydrogen gas on reaction with dilute hydrochloric acid as well as sodium hydroxide solution is ______.
विकल्प
copper
iron
aluminium
sodium
Advertisements
उत्तर
The metal which produces hydrogen gas on reaction with dilute hydrochloric acid as well as sodium hydroxide solution is aluminium.
Explanation:
Aluminium reacts with hydrochloric acid as well as sodium hydroxide solution to produce hydrogen gas.
APPEARS IN
संबंधित प्रश्न
Give two examples of amphoteric oxides.
What are amphoteric oxides?
Give reason:
Sodium, potassium and lithium are stored under oil.
Example of an amphoteric oxide is:
Out of three metals, sodium, calcium and aluminium, which metal reacts most with water? Give the equation of reaction with all three metals.
Answer the questions based on the figure below:

- Which reaction is shown in the figure?
- Which gas is evolved in the reaction?
- Give an example of reactants that rapidly show this reaction. Give equations.
- Give an example of reactants that do not react rapidly.
- In what condition will reactants of (c) part react? Give equation.
Keerti added dilute Hydrochloric acid to four metals and recorded her observations as shown in the table given below:
| Metal | Gas Evolved |
| Copper | Yes |
| Iron | Yes |
| Magnesium | No |
| Zinc | Yes |
Select the correct observation(s) and give chemical equation(s) of the reaction involved.
Metal oxides generally react with acids, but few oxides of metal also react with bases. Such metallic oxides are:
- MgO
- ZnO
- Al2O3
- Cao
Select the appropriate state symbols of the products given as X and Y in the following chemical equation by choosing the correct option from table given below:
\[\ce{Zn_{(s)} + H_2SO_{4(l)} ->ZnSO_{4(X)} + H_{2(Y)}}\]
On adding dilute sulphuric acid to a test tube containing a metal ‘X’, a colourless gas is produced when a burning match stick is brought near it. Which of the following correctly represents the metal ‘X’?
