Question

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Answer 1

Answer:

1 . lithium

2. botom

3. exothermic

4. hydrogen

5. 1 and 2

6.catalyst

7. high reactivity ad pungent smell

8.hydrides

Answer 2

Answer:

1) Potassium

2) Bottom

3) Reaction of acids on metals

4) Hydrogen

5) No.:1

Mass: 1

6)Catalyst

7)Burning with a pop sound

8) Hydrocarbons

9)

10) Water

11) Oxidant: Iron

Reductant: Carbon Mono oxide

12) Sabatier process

13) Hydrogen-1

    Dueterium

     Tritium

14) Redox reaction

15) Zn + $H_{2}SO_{4} -> ZnSo{4} +H_{2}$

$Zn + 2HCl -> ZnCl_{2} + H_{2}$

16) Base

17) Ferrite

18) Hydrogenation

19) Insoluble

20) Steam