Match chemical reactions given in the List I with the type of chemical reactions given in List II and select the correct answer using the options given below: List I (Chemical reactions) List II (Type of Chemical reactions) A. Formation of NH_3 from N_2 and H_2 I. Decomposition B. Calcination of zinc carbonate. II. Double displacement C. Reaction of aqueous BaCl_2 solution with dilute H_2SO_4 III. Combination D. Rancidity of oils IV. Redox V. Displacement

Correct Answer is : A-III, B-I, C-II, D-IV

NTSE Stage 2 SAT 2019 Exam Question Paper

Question : 83 of 100

Marks: +1, -0

Match chemical reactions given in the List I with the type of chemical reactions given in List II and select the correct answer using the options given below:

List I (Chemical reactions)	List II (Type of Chemical reactions)
A. Formation of $NH_3$ from $N_2$ and $H_2$	I. Decomposition
B. Calcination of zinc carbonate.	II. Double displacement
C. Reaction of aqueous $BaCl_2$ solution with dilute $H_2SO_4$	III. Combination
D. Rancidity of oils	IV. Redox
	V. Displacement

A-I, B-V, C-III, D-IV
A-III, B-IV, C-V, D-I
A-IV,B-III,C-V,D-I
A-III, B-I, C-II, D-IV

Validate

Solution:

List-I Chemical reactions)	List-II (Type of chemical reactions)
A. Formation of $NH_3$ from $N_2$ and $H_2$ ( $N_2+3H_2⇌2NH_3$ )	III. Combination (The reaction in which two or more compounds/elements combine to form single compound)
B. Calcination of zinc carbonate ( $ZnCO_3→↖{Δ}nO+CO_2$ )	I. Decomposition (The reaction in which a single chemical compound splits into its two or more elemental parts.)
C. Reaction of aqueous $BaCl_2$ solution with dilute $H_2SO_4$ $(BaCl_2+H_2SO_4→BaSO_4+2HCl)$	II. Double Displacement (The reaction in which two compounds reacts and cation and anion of the two reactants switch places forming two new products.)
D. Rancidity of oils	IV. Redox

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