Write the following as balanced chemical equations- Also identify the type of reaction in each case-i Zn - O 2- ZnOii S - O 2- SO 2iii Na - Cl 2- NaCliv Na 2 O - H 2 O - NaOHv HgO - Hg - O 2vi CuCO 3- CuO - CO 2

(i) 2Zn + O2 ⟶ 2ZnO It is a combination reaction. (ii) S + O2 ⟶ SO2 It is a combination reaction. (iii) 2Na + Cl2 ⟶ 2NaCl It is a combination reaction. (iv) Na2 ...

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Standard VII

Chemistry

Balanced Chemical Equation

Write the fol...

Question

Write the following as balanced chemical equations. Also identify the type of reaction in each case.
(i) Zn + O₂ ⟶ ZnO
(ii) S + O₂ ⟶ SO₂
(iii) Na + Cl₂ ⟶ NaCl
(iv) Na₂O + H₂O ⟶ NaOH
(v) HgO ⟶ Hg + O₂
(vi) CuCO₃ ⟶ CuO + CO₂

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Solution

(i) 2Zn + O₂ ⟶ 2ZnO
It is a combination reaction.
(ii) S + O₂ ⟶ SO₂
It is a combination reaction.
(iii) 2Na + Cl₂ ⟶ 2NaCl
It is a combination reaction.
(iv) Na₂O + H₂O ⟶ 2NaOH
It is a combination reaction.
(v) 2HgO ⟶ 2Hg + O₂
It is a decomposition reaction.
(vi) CuCO₃ ⟶ CuO + CO₂
It is a decomposition reaction.

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Similar questions

Q. Balance the following chemical equation and identify the type of chemical reaction?

H g O (s) H e a t \to H g (l) + O_{2} (g)

Q. Balance the following equations:
i)

C a C O_{3} + H C l \to C a C l_{2} + C O_{2} ↑ + H_{2} O

ii)

N a + H_{2} O \to N a O H + H_{2} ↑

iii)

(N H_{4})_{2} S O_{4} + C a (O H)_{2} \to C a S O_{4} + N H_{3} ↑ + H_{2} O

iv)

H g (N O_{3})_{2} \to H g + N O_{2} ↑ + O_{2} ↑

P b_{3} O_{4} + H C l \to P b C l_{2} + C l_{2} ↑ + H_{2} O

Cmplete and balance the following equations:
(a) $N a + O_{2} ⟶$
(b) $N a_{2} O + H_{2} O ⟶$
(c) $F e (s) + H_{2} O (g) R e d h e a t - ---- \to$
(d) $C u (N O_{3})_{2} (a q) + Z n (s) \to$

Q. Balance the following equations:

M n O_{2} + H C l \to M n C l_{2} + C l_{2} + H_{2} O

N H_{4} C l + C a (O H)_{2} \to N H_{3} + C a C l_{2} + H_{2} O

B a C l_{2} + A l_{2} (S O_{4})_{3} \to B a S O_{4} + A l C l_{3}

N a A l O_{2} + H_{2} O + C O_{2} \to A l H_{3} + N a_{2} C O_{3}

N H_{3} + O_{2} \to N O + H_{2} O

Z n + H N O_{3} \to Z n (N O_{3})_{2} + N O_{2} + H_{2} O

H_{2} S + O_{2} \to H_{2} O + S O_{2}

P b O + C \to P b + C O_{2}

B a C l_{2} + H_{2} S O_{4} \to B a S O_{4} + H C l

C H_{4} + O_{2} \to C O_{2} + H_{2} O

Balance the following equations :

(a) $N_{2} + H_{2} \to N H_{3}$

(b) $H_{2} + O_{2} \to H_{2} O$

(d) $C O + O_{2} \to C O_{2}$

(e) $Z n + H C I \to Z n C l_{2} + H_{2}$

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Write the following as balanced chemical equations. Also identify the type of reaction in each case. (i) Zn + O2 ⟶ ZnO (ii) S + O2 ⟶ SO2 (iii) Na + Cl2 ⟶ NaCl (iv) Na2O + H2O ⟶ NaOH (v) HgO ⟶ Hg + O2 (vi) CuCO3 ⟶ CuO + CO2

Write the following as balanced chemical equations. Also identify the type of reaction in each case.
(i) Zn + O₂ ⟶ ZnO
(ii) S + O₂ ⟶ SO₂
(iii) Na + Cl₂ ⟶ NaCl
(iv) Na₂O + H₂O ⟶ NaOH
(v) HgO ⟶ Hg + O₂
(vi) CuCO₃ ⟶ CuO + CO₂