Question

1. Mention a property (characteristic) that all acids have.
2. Name five things we use every day that are made of chemicals.
3. Why do people take antacids?
4. Why do toothpastes contain a base?
5. What are the two things formed when an acid and a base are mixed?
6. Name two commonly used salts.
7. Write one use of alum.​

Answer 1

Answer:

1. All acids are sour in taste.

2. Salt,Soap,water, toothpaste,sugar.

3. Antacids are weekly basic and are taken to get relief from indigestion/acidity.

4. The bacterial decomposition of the food in our mouth is slightly acidic . That is why to neutralise we use toothpaste which is basic and thus helping us to clean our teeth.

5. Salt and water

6. Sodium chloride and sodium bicarbonate.

7. flame retardant

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