Reactants Products Type of chemical reaction BaCl 2a q - ZnSO 4a q H 2 CO 3 aq Displacement 2 AgCl s FeSO 4 aq - Cu s Combination CuSO 4a q - Fe s BaSO 4- ZnCl 2 aq Decomposition H 2 O l - CO 2 g 2 Ag s - Cl 2 g Double displacement

nbsp; Reactants Products Type of chemical reaction BaCl2(aq) + ZnSO4(aq) nbsp;BaSO4 darr; + ZnCl2(aq) nbsp; Double disp ...

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Standard IX

Chemistry

Types of Chemical Reaction

Reactants P...

Question

Reactants Products Type of chemical reaction

BaCl₂(aq) + ZnSO₄(aq) H₂CO₃(aq) Displacement

2AgCl(s) FeSO₄(aq) + Cu(s) Combination

CuSO₄(aq) + Fe(s) BaSO₄↓ + ZnCl₂(aq) Decomposition

H₂O(l) + CO₂(g) 2Ag(s) + Cl₂(g) Double displacement

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Solution

Reactants Products Type of chemical reaction

BaCl₂(aq) + ZnSO₄(aq) BaSO₄↓ + ZnCl₂(aq) Double displacement

2AgCl(s) 2Ag(s) + Cl₂(g) Decomposition

CuSO₄(aq) + Fe(s) FeSO₄(aq) + Cu(s) Displacement

H₂O(l) + CO₂(g) H₂CO₃(aq) Combination

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$\begin{matrix} Reaction Names & Reactions i & Displacement reaction & A & C a O + O_{2} \to 2 C a (O H)_{2} i i & Decomposition Reaction & B & F e + P b (N O_{3})_{2} \to F e (N O_{3})_{2} + P b i i i & Redox Reaction & C & M g C l_{2} + C a (O H)_{2} \to M g (O H)_{2} + C a C l_{2} i v & Combination Reaction & D & K C l O_{3} \to 2 K C l + 3 O_{2} v & Double Displacement Reaction & E & C O_{2} + H_{2} \to 2 C O + H_{2} O \end{matrix}$

Place the cards in the right boxes in the given boxes.
(a)

(b)

Q. Match the following:

Column A Types of chemical reaction	Column B Chemical equations
(a) Combination reaction	(i) $C a C O_{3} A \to C a O + C O_{2}$
(b) Decomposition reaction	(ii) $2 H_{2} O E l e c t r i c i t y - ----- \to 2 H_{2} + O_{2}$
(c) Displacement reaction	(iii) $C a O + C O_{2} \to C a C O_{3}$
(d) Analysis reaction	(iv) $F e (s) + C u S O_{4} (a q .) \to F e S O_{4} (a q) + C u (s)$

Complete the table of products.

$\begin{matrix} F i r s t P o l y n o m i a l \to & a^{2} + b^{2} & c + 5 d^{2} & - 6 p^{2} + 5 p S e c o n d P o l y n o m i a l ↓ - a b + d - c d + a b a b c d - p q \end{matrix}$
[4 MARKS]

A more reactive metal displaces a less reactive metal from the aqueous solution. From the following set tell which one represents a correct picture, of both the possible (√) reaction and impossible (x) reactions between metals and the solution of different salts.

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Reactants	Products	Type of chemical reaction
BaCl₂(aq) + ZnSO₄(aq)	H₂CO₃(aq)	Displacement
2AgCl(s)	FeSO₄(aq) + Cu(s)	Combination
CuSO₄(aq) + Fe(s)	BaSO₄↓ + ZnCl₂(aq)	Decomposition
H₂O(l) + CO₂(g)	2Ag(s) + Cl₂(g)	Double displacement

Reactants	Products	Type of chemical reaction
BaCl₂(aq) + ZnSO₄(aq)	BaSO₄↓ + ZnCl₂(aq)	Double displacement
2AgCl(s)	2Ag(s) + Cl₂(g)	Decomposition
CuSO₄(aq) + Fe(s)	FeSO₄(aq) + Cu(s)	Displacement
H₂O(l) + CO₂(g)	H₂CO₃(aq)	Combination

Reactants Products Type of chemical reaction BaCl2(aq) + ZnSO4(aq) H2CO3(aq) Displacement 2AgCl(s) FeSO4(aq) + Cu(s) Combination CuSO4(aq) + Fe(s) BaSO4↓ + ZnCl2(aq) Decomposition H2O(l) + CO2(g) 2Ag(s) + Cl2(g) Double displacement

Reactants Products Type of chemical reaction BaCl2(aq) + ZnSO4(aq) BaSO4↓ + ZnCl2(aq) Double displacement 2AgCl(s) 2Ag(s) + Cl2(g) Decomposition CuSO4(aq) + Fe(s) FeSO4(aq) + Cu(s) Displacement H2O(l) + CO2(g) H2CO3(aq) Combination

Reactants Products Type of chemical reaction

BaCl₂(aq) + ZnSO₄(aq) H₂CO₃(aq) Displacement

2AgCl(s) FeSO₄(aq) + Cu(s) Combination

CuSO₄(aq) + Fe(s) BaSO₄↓ + ZnCl₂(aq) Decomposition

H₂O(l) + CO₂(g) 2Ag(s) + Cl₂(g) Double displacement

Reactants Products Type of chemical reaction

BaCl₂(aq) + ZnSO₄(aq) BaSO₄↓ + ZnCl₂(aq) Double displacement

2AgCl(s) 2Ag(s) + Cl₂(g) Decomposition

CuSO₄(aq) + Fe(s) FeSO₄(aq) + Cu(s) Displacement

H₂O(l) + CO₂(g) H₂CO₃(aq) Combination