Question

ܚܕ ܒܬܼ ܢܝ ܠܐ
1. Nitric acid is a weak acid.
2. Carbonic acid is a weak acid
3 Formie acid is present in vinegar.
Lactic acid is present in tanarind its
5. Lactic acid is resent in curd.
6. Acetic acid is present in ant's sting.
7. Turmeric is a natural indicator
FILL IN THE BLANKS:
1. Methyl orange is a
indicator
2. Litmus paper is a
indicator
3. Sodium hydroxide is commonly known as
4. Calcium hydroxide is commonly known as
5. Formula of sulphuric acid is
Question/answers
1. Name one natural and one synthetic indicator​

Answer 1

Answer:

Nitric acid is a weak acid.

2. Carbonic acid is a weak acid

3 Formie acid is present in vinegar.

Lactic acid is present in tanarind its

5. Lactic acid is resent in curd.

6. Acetic acid is present in ant's sting.

7. Turmeric is a natural indicator

FILL IN THE BLANKS:

1. Methyl orange is a

indicator

2. Litmus paper is a

indicator

3. Sodium hydroxide is commonly known as

4. Calcium hydroxide is commonly known as

5. Formula of sulphuric acid is

Question/answers

1. Name one natural and one synthetic indicator

Answer 2

Answer:

1) False

2) true

3) false

4) false

5) true

6) false

7) true

fill ups

1) no

2) no

3) strong base

4) strong base

5) H2SO4

Q/Answer

1) Red cabbage leaves is the natural indicator

2) methyl orange is the synthetic indicator