Question

Can anyone ander it till 12th question

Answer 1

Answer:

[ 12 ]

A▶There will be no change in Litmus Paper.

B▶When pH < 3.1 the indicator is red, while in pH above 4.4 it is yellow.

C▶There will be no change bcoz Iron is less reactive than Magnesium.

D▶Phenolphthalein gives no colour when added to an acidic solution. So, there will be no change.

E▶There will be no change.

F▶ There will be no change.

Answer 2

Hii

you are welcome in my ans

1)There will be no change

2)when ph<3.1 it give rad colour when

ph>4.4give yellow colour

3)No change because iron is less reactive then Mg

4)Phelopthelinee give no colour in acidic solution so no change

5)no change

6)no change

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Hope it may helps you✌️✊