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Choose the correct option : (i) Gold i...

Choose the correct option :
(i) Gold is exracted using :

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Match the I with column II and choose the correct option.

(a) Write the chemical reactions involved in the exraction of gold using sodium cyanide.

कॉलम I व II को सुमेलित करके सही विकल्प चुनिए

Match the column - I and II choose the correct option :

Match Column I with column ll and choose the correct option option.

Choose the correct option. Dimensional analysis CANNOT be used

तालिका-I व II का मिलान कीजिए तथा सही विकल्प चुनिए :-

Choose the correct option : (i) Gold is exracted using :

Match the column-I with column-II and choose correct option

Options:

Match the Column -I and II. Choose the correct option.

(A) (P-i) (Q-ii) (R - iv) (S - iii)
(B) (P - iv) (Q - iii) (R - ii) (S-i)
(C) (P-iii) (Q - iv) (R-1) (S - ii)
(D) (P-iv) (Q - iii) (R - i) (S - ii)

Match the Column - I and II and choose the correct option.

(A) `(P-iii) (Q-iv) (R-I) (S-ii) `
(B) `(P-iii) (Q-iv) (R-il) (S-I)`
(C) `(P-iv) (Q-ii) (R-iii) (S-i) `
(D) `(P-i) (Q-iii) (R-iv) (S-ii)`

Match the column-I and II, choose the correct option.

(A) P(iii), Q(iv), R(ii) S(i)
(B) P(ii), Q(iv), R(ii) S(i)
(C) P(iii), Q(iv), R(i) S(ii)
(D) P(ii), Q(iii), R(i) S(iv)

Match the column-I and II choose the correct option

(A) (a - iv) (b - iii) (c - i) (d - ii)
(B) (a - i) (b - ii) (c - iv) (d - iii)
(C) (a - iv) (b - iii) (c - ii) (d - i)
(D) (a - iv) (b - i) (c - iii) (d - ii)

Match the Column-I and II choose the correct option

(A) (a - iii) (b - ii) (c - iv) (d - i)
(B) (a - iii) (b - iv) (c - i) (d - ii)
(C) (a - iii) (b - ii) (c - i) (d - iv)
(D) (a - i) (b - iii) (c - ii) (d - iv)

Choose the correct option- Brass is used in-

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