2x
1
ANSWER THE FOLLOWING:
3 = 6
1. A small amount of hydrochloric acid is always produced in the
stomach. Is it useful or harmful for us? If excess of acid is produced in
the stomach, what should we do?
2. a. What are salts?
b. What is meant by neutralisation?
II.
TX
ANSWER THE FOLLOWING:
4 = 4
1. a. A small amount of hydrochloric acid is always produced in the
stomach. Is it useful or harmful for us? If excess of acid is produced in
the stomach, what should we do?
b. While playing in a park, a child was stung by a wasp. Some
elders suggested applying paste of baking soda and others lemon juice
as remedy. Which remedy do you think is appropriate and why?
Answers
Answer:
1 (a) I think when we start chewing the food at that time stomach releases the HCL and what yu ask I think it is not harmful either it is of no use also.
if excess of acid is produced in the stomach we should prefer an antacid or we can take the baking soda solution also
1(b) the remedy of applying paste of baking soda is appropriate bcoz sting of wasp contain acid and baking soda is a base which will neutralise the effect of acid
2(a) salts are the substance obtained from the neutralisatio reaction
2(b) neutralisation reaction in which an acid reacts with a base to form salt and water
plz mark my answer the brainliast answer
Answer:
I gave answer to my extent. But I didn't use Google seriously
Explanation:
3=6
1. It's only useful. only HCL helps in digestion of the food. Excess amount of acid results in acidity. We should intake certain antacids
2. a) salts are formed when an acid and a base reacts. these salts are form of neutral
b) neutralization is a process of reaction between an acid and a base in a chemical reaction. the end products we obtain are a type of salt and water
4=4
1. a) 3=6 1st answer
b) I prefer paste of baking soda bcoz a bite of wasp contains an acidic substance. Since paste of baking soda is a basic substance, this can be applied on the area of bite