Question

Q1. balance equation

1. Na2co3+HclNacl+H2o+co2
2. zn+Hclzncl2+H2
3. Naoh+co2Na2+co3+H2o
4. cao+Hcl cacl2+H2o
5. Al+o2Al2o3
6. P+o2P2o5

Answer 1

1. $Na_{2}CO_{3}$ + 2HCl ⇒ 2NaCl + $H_{2}O$ + $CO_{2}$

2. Zn + 2HCl ⇒ $ZnCl_{2}$ + $H_{2}$

3. 2NaOH + $CO_{2}$ ⇒ $Na_{2}CO_{3}$ + $H_{2}O$

4. CaO + 2HCl ⇒ $CaCl_{2}$ + $H_{2}O$

5. 4Al + $3O_{2}$ ⇒ $2Al_{2}O_{3}$

6. 4P + $2O_{2}$ ⇒ $2P_{2}O_{5}$

Answer 2

HI there !!

1) Na₂CO₃ + HCl ---> NaCl + H₂O + CO₂

Balanced equation :-
Na₂CO₃ + 2HCl ---> 2NaCl + H₂O + CO₂
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2) Zn + HCl ---> ZnCl₂ + H₂

Balanced equation :-
Zn + 2HCl ---> ZnCl₂ + H₂
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3) NaOH+ CO₂ ----> Na₂CO₃ + H₂O

Balanced equation :-
2NaOH+ CO₂ ----> Na₂CO₃ + H₂O

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4)CaO + HCl ----> CaCl₂ + H₂O

Balanced equation :-
CaO + 2HCl ----> CaCl₂ + H₂O
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5) Al + O₂ ----> Al₂O₃

Balanced equation :-
4Al + 3O₂ ----> 2Al₂O₃
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6) P + O₂ -----> P₂O₅

Balanced equation :-
4P + 5O₂ -----> 2P₂O₅