Advertisements
Advertisements
प्रश्न
In an attempt to demonstrate electrical conductivity through an electrolyte, the apparatus setup. Which among the following statement(s) is(are) correct?
- Bulb will not glow because electrolyte is not acidic
- Bulb will glow because NaOH is a strong base and furnishes ions for conduction.
- Bulb will not glow because circuit is incomplete
- Bulb will not glow because it depends upon the type of electrolytic solution
विकल्प
(i) and (iii)
(ii) and (iv)
(ii) only
(iv) only
उत्तर
(ii) only
Explanation -
Bulb will glow because the acid will furnish ions which conduct electricity.
APPEARS IN
संबंधित प्रश्न
From which plant is litmus paper or litmus solution obtained?
- Moss
- Rose
- Hibiscus
- Lichen
When acids react with metal, which gas is liberated?
A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains ______.
With the help of labelled diagrams, describe an activity to show that acids produce ions only in aqueous solutions.
What ions are present in the solutions of following substances? (write the symbols only)
Nitric acid
Hydrochloric acid reacts with a metal X to form a gas Y which burns with a 'pop' sound. Sodium hydroxide solution also reacts with the same metal X (on heating) to form the same gas Y.
Name X and Y
What is the chemical formula of bleaching powder?
In the following schematic diagram for the preparation of hydrogen gas as shown in the figure, what would happen if following changes are made?
- In place of zinc granules, same amount of zinc dust is taken in the test tube
- Instead of dilute sulphuric acid, dilute hydrochloric acid is taken
- In place of zinc, copper turnings are taken
- Sodium hydroxide is taken in place of dilute sulphuric acid and the tube is heated.
______ change the colour of the indicators.
Are all acids corrosive in nature? Name a few acids which are non-corrosive and may be part of our food.
