Question

substances acidic in nature

Answer 1

Explanation:

• Substances that have a pH level of less than 7 are acidic in nature. For e.g Acidic substances such as vinegar, tamarind, lemon, etc. Substances that have a level of more than 7 are basic in nature. For e.g. Basic substances such as baking soda, limewater, ammonia, etc.

Answer 2

Answer:

Introduction

ACIDS BASES

produce hydrogen gas when reacted with metals.

produce carbon dioxide when reacted with carbonates.

Common examples: Lemons, oranges, vinegar, urine, sulfuric acid, hydrochloric acid Common Examples: Soap, toothpaste, bleach, cleaning agents, limewater, ammonia water, sodium hydroxide.