`CaCO_(3)(g) overset(Delta)rarr A (s)+B(g)`,
`A(s) +D(s) rarr E(s)+F(g)`
`H(s)+H_(2)O` (steam) `rarr CaCO_(3)+X (g)`
`H+D` mixture is called

CaCO_(3)(g) overset(Delta)rarr A (s)+B(g) , A(s) +D(s) rarr E(s)+F(g) H(s)+H_(2)O (steam) rarr CaCO_(3)+X (g) In the above reactins, 'F' is:

CaCO_(3)(g) overset(Delta)rarr A (s)+B(g) , A(s) +D(s) rarr E(s)+F(g) H(s)+H_(2)O (steam) rarr CaCO_(3)+X (g) In the above reactions, shape of molecule X is:

Identify (A) to (G) in the following scheme and name the process. CaCO_(3) overset(Delta) to (A) + (B) gas , (A) + H_(2)O rarr (C ) (C )+B rarr CaCO_(3) + H_(2)O (D) +(C ) overset(Delta) to (E ) gas (E ) + H_(2)O + (B) rarr (F) , NaCI + (F) rarr (G) + (D) (G) overset(Delta) to Na_(3)CO_(3) + H_(2)O + (B)

Which of the following are non-metal displacement reactions ? (A) Ca(S) + 2H_(2)O(l) rarr Ca(OH)_(2)(aq) + H_(2)(g) (B) V_(2)O_(5)(S) + 5Ca(S) overset(Delta)rarr 2V(S) + 5CaO(S) (C ) 2Fe(S) + 3H_(2)O(l) overset(Delta)rarr Fe_(2)O_(3)(S) + 3H_(2)(g) (D) Cr_(2)O_(3)(S) + 2Al(S) overset(Delta)rarr Al_(2)O_(3)(S) + 2Cr(S)

CaCO_(3(a))overset(Delta)(rarr)A_((s))+B_((g)) , A_((s))+"carbon"overset(Delta )(rarr)C_((s))+D_((s)) . The compounds A and C.

Consider the reactions (i) S (rhombic) + 3//2O_(2) (g) rarr SO_(3) (g), Delta H_(1) (ii) S (monoclinic) +3//2O_(2) (g) rarr SO_(3) (g), Delta H_(2) (iii) S(rhombic) +O_(3) (g) rarr SO_(3) (g) , Delta H_(3) (iv) S (monoclinic) +O_(3)(g) rarr SO_(3) (g), Delta H_(4) incorrect statement is

Complete the following reaction. (i) CaCO_(3) overset(Delta)rarr [A]+underset("gas")([B]) (ii) [A]+H_(2)O rarr [C] (iii) [C]+[B] rarr CaCO_(3)+H_(2)O (iv) NH_(4)Cl+[C] overset(Delta)rarr underset("gas")([E])+CaCl_(2)+H_(2)O (v) E+H_(2)O+[B]rarr[F] (vi) NaCl+[F]rarr [G]+NH_(4)Cl (vii) [G] overset(Delta)rarr Na_(2)CO_(3)+H_(2)O+[B]

Complete the following reaction. (i) CaCO_(3) overset(Delta)rarr [A]+underset("gas")([B]) (ii) [A]+H_(2)O rarr [C] (iii) [C]+[B] rarr CaCO_(3)+H_(2)O (iv) NH_(4)Cl+[C] overset(Delta)rarr underset("gas")([E])+CaCl_(2)+H_(2)O (v) E+H_(2)O+[B]rarr[F] (vi) NaCl+[F]rarr [G]+NH_(4)Cl (vii) [G] overset(Delta)rarr Na_(2)CO_(3)+H_(2)O+[B]

Suggest a scheme of classification of the following redox reactions (a) N_(2) (g) + O_(2) (g) rarr 2 NO (g) (b) 2 Pb (NO_(3))_(2) (s) rarr 2 PbO (s) + 4 NO_(2) (g) + O_(2) (g) (c) NaH(s) + H_(2) O (l) rarr NaOH (aq) + H_(2) (g) (d) 2NO_(2) (g) + 2OH^(-) (aq) rarr NO_(2)^(-) (aq) + NO_(3)^(-) (aq) + H_(2) O (l)