Question

plz plz plz answer them all correctly i will mark brainiest plus follow u i just need answers and asap

Answer 1

Step-by-step explanation:

across 1).172

4)152

6)240

8)70

10)315

12)7654

14)1500

15)516

17)4:45

19)277

21)121

Drown

1)112

2)2:20

3)2021

5)270

9)700

10)3:45

13)621

18)540

20)72

Answer 2

Answer:

Metal carbonates and Metal Hydrogencarbonates reacts with acids and produces corresponding metal salt, carbon dioxide and water. ... Both the reaction produces CO2 which on passing through lime water makes lime water milky due to formation of calcium carbonate.

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