Question

please give me the answer of all these questions

Answer 1

✨1. HCl as it's name shows Hydrochloric Acid.

2. Copper oxide as base releases OH negative ions in an aqueous solution.

3. Sodium hydroxide will form salt and water as
Acid+ base= salt + water, this effect is also called neutralization effect.

4. Hydrochloric Acid and Sulphuric acid solution will phenolphthalein gives pink color as phenolphthalein gives pink color in an acidic medium and becomes colorless in basic medium.

5. The pH of pure water is 7 because water is neutral.✨

⚡Thank you ⚡