Question

3.True and false; (1x10=10)

a)Base turn blue litmus red.

B )Sulphuric acid is present in the stomach.

c)If soil is too acidic, quicklime is added to it.

d)Sheep feed on mulberry leaves.

e)Wool is obtained only from sheep.

f)In an adult human, the total number of incisors are four.

g)Food pipe is also called alimentary canal.

h)Cutting of wood is a physical change.

i)During a physical change, new substances are formed.

j)Rusting of iron can be prevented by wrapping iron articles in paper.​

Answer 1

Answer:

1 false

2 false

3 true

4 false

5 false

6

7 true

8 false

9 false

10 true

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Answer 2

Answer:

a. False

b. False

c. True

d. False

e. True

f. True

g. True

h. True

I. False

j. True