[D] It gives red colour, pH=3 Universal indicator is mixture of many indicators. Its colour is red at pH=3. Here, according the question you should go with the option [D].
[D] It gives red colour, pH=3
Universal indicator is mixture of many indicators. Its colour is red at pH=3. Here, according the question you should go with the option [D].
[B] (ii) and (iv) When sodium hydroxide in mixed with water, then ionisation takes place, NaOH + H₂O → Na⁺ + OH⁻ + H₂O Hydroxide ions are formed and a lot of heat is generated or released during dissolution.
[B] (ii) and (iv)
When sodium hydroxide in mixed with water, then ionisation takes place,
NaOH + H₂O → Na⁺ + OH⁻ + H₂O
Hydroxide ions are formed and a lot of heat is generated or released during dissolution.
The correct statements regarding universal indicator is:
[D] It gives red colour, pH=3 Universal indicator is mixture of many indicators. Its colour is red at pH=3. Here, according the question you should go with the option [D].
[D] It gives red colour, pH=3
See lessUniversal indicator is mixture of many indicators. Its colour is red at pH=3. Here, according the question you should go with the option [D].
What happens when sodium hydroxide is mixed in water?
[B] (ii) and (iv) When sodium hydroxide in mixed with water, then ionisation takes place, NaOH + H₂O → Na⁺ + OH⁻ + H₂O Hydroxide ions are formed and a lot of heat is generated or released during dissolution.
[B] (ii) and (iv)
See lessWhen sodium hydroxide in mixed with water, then ionisation takes place,
NaOH + H₂O → Na⁺ + OH⁻ + H₂O
Hydroxide ions are formed and a lot of heat is generated or released during dissolution.