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VISHWA ---
1. a)Zn+2HCl----->ZnCl2 +H2
b) Fe+ 2HCl  ---> FeCl2+H2

2.   The solution is an acid like HCl

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Zn+2Hcl~ Zncl

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1) zn + 2HCL---------ZnCL

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1)Fe+H

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1) Zn + 2HCl --> ZnCl2 + H2
Mg + 2HCl → MgCl₂ + H2
2) The solution contains acid

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2) The solution is an acid

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1)I) Zn+2HCL-------  ZnCl2 + H2
II)    2Na + 2HCl ---2NaCl + H2
2)

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Q no 1Write any two examples for Acid reacting with metals.

Qno 2. A solution reacts with crushed egg-shells to give a gas that turns lime water milky. The solution contains :

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2. Mg+Hcl-------MgCl

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1. Fe +HCl =FeCl2+h2
2.The solution is HCl. Egg shells contains calcium carbonate , which on reaction with HCl liberates CO2 gas which turn lime water to

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1.Mg + 2HCl → MgCl2+H2
2.

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I
1. Mg + HCl => MgCl2 + H2
2. Fe + H2SO4 => FeSO4 + H2
II
To turn lime water milky the gas carbon dioxide is produced (CO2)

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1)

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H2SO4+Fe= FeSO4+ H2
HCl+ Na=NaCl+ H2

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1)
Mg+2HCl --> MgCl+H2
MG+H2SO4-->MgSO4+H2
2)the solution iss acetic acid (Vineygar)

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1) i) Zn + 2HCL= ZnCl2 + H2
ii)  Fe + HCL = FeCl2 + H2
2) The solution contains acid.

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1.MAGNESIUM REACTS WITH HYDROCLORIC ACID TO PRODUCE MAGNESIUM CHLORIDE, ZINC
2.IT GIVES OUT CARBONDIXIDE

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1. i. Zn + HCl = ZnCl2 + H2
ii. Fe + HCl = FeCl2 + H2
2. Hydrochloric Acid (HCl)

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1) Fe + 2HCl ---> FeCl2+ H2
Zn+ 2HCl --->ZnCl2+ H2
2) The solution contains calcium carbonate

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1) i. Zn +Hcl ---- ZnCl2 +H2
ii. Mg + Hcl ----- MgCl2 +H2
2) the solution contains HCl.

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1]. >Fe+HCl= FeCl2+H2
>Zn+2HCl=ZnCl2+H2
2].  The solution has HCl

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Ans 1.
a. Fe + 2HCl---> FeCl2+ H2
b. Mg + H2SO4 ---> MgSO4 + H2
Ans. 2 Egg shells contain calcium carbonate which on reaction liberates CO2 gas which turns lime water milky
CaCO3 + 2HCl ---> CaCl2 + H2O +CO2

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1) Zn+ H2SO4 = ZnSO4+ H2
Mg+ H2SO4 = MgSO4+ H2
2) The solution contains HCl

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1) Examples:
Zn + HCl -> ZnCl + H2
Fe + HCl -> FeCl2 + H2
2) The solution is an ACID.

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1. i) HNO₃ + Zn --> ZnNO₃ + H₂↑
ii) Mg + H₂SO₄ --> MgSO₄ + H₂↑
2. It is a Acid