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Introduction

Consider the ...

Question

Consider the following chemical reactions.

निम्नलिखित रासायनिक अभिक्रियाओं पर विचार कीजिए।

NaCl + H₂O + CO₂ + NH₃ → NH₄Cl + A

A + HCl → NaCl + B + C↑

$2 A Heat - - \to D + B + C ↑$

Now, identify A, B, C and D and choose the correct option.

अब A, B, C तथा D को पहचानिये तथा सही विकल्प का चयन कीजिए।

A

C = CO₂

B = H₂O

A = NaHCO₃

D = NaOH

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B

A = Na₂CO₃

D = NaHCO₃

C = CO₂

B = H₂O

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C

C = CO₂

B = H₂O

A = NaHCO₃

D = Na₂CO₃

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D

C = H₂O

D = NaHCO₃

A = NaOH

B = CO

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Solution

The correct option is C C = CO₂

B = H₂O

A = NaHCO₃

D = Na₂CO₃
Solution

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Similar questions

Q. Consider the following table:

नीचे दी गई सारणी पर विचार कीजिएः

Solution विलयन	Effect on turmeric solution हल्दी विलयन पर प्रभाव	Nature प्रकृति
A	Remains yellow पीला रहता है	Acidic अम्लीय
B	X	Basic क्षारीय
C	Y	Neutral उदासीन

Now, identify A, B, C, X and Y and choose the correct option.

अब, A, B, C, X तथा Y को पहचानिए तथा सही विकल्प का चयन कीजिए।

(A), (B), (C)

(D)

and give their chemical formulae:
(i)

(A) + N a O H H e a t ⟶ N a C l + N H_{3} + H_{2} O

N H_{3} + C O_{2} + H_{2} O ⟶ (B)

(B) + N a C l ⟶ (C) + N H_{4} C l

(C) H e a t ⟶ N a_{2} C O_{3} + H_{2} O + (D)

Q. Consider the following figure

नीचे दिये गये चित्र पर विचार कीजिए

Now, choose the correct option.

अब, सही विकल्प का चयन कीजिए।

Q. In the above reaction if

A

N H_{4} C l

D

C O_{2}

B

C

respectively are :

+ N a O H \to N a C l + N H_{3} + H_{2} O

N H_{3} + C O_{2} + H_{2} O \to (B)

+ N a C l \to (C) + N H_{4} C l

\to N a_{2} C O_{3} + H_{2} O + (D)

Q. Consider the following equations

निम्नलिखित समीकरणों पर विचार कीजिए।

(a) Iron + Gas ‘X’ + ‘Y’ → Rust

आयरन + गैस ‘X’ + ‘Y’ → जंग

(b) Copper + Gas ‘X’ + Gas ‘Z’ + ‘Y’ → Mixture of copper hydroxide and copper carbonate

कॉपर + गैस ‘X’ + गैस ‘Z’ + ‘Y’ → कॉपर हाइड्रॉक्साइड तथा कॉपर कार्बोनेट का मिश्रण

(c) Sulphur + Gas ‘X’ → ‘P’

सल्फर + गैस ‘X’ → ‘P’

(d) ‘P’ + ‘Y’ → Sulphurous acid

‘P’ + ‘Y’ → सल्फ्यूरस अम्ल

Now, choose the correct option.

अब, सही विकल्प का चयन कीजिए।

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