A | \(CO(g)+H_2 (g)\) | I | \(Mg(HCO_3 )_2+ Ca(HCO_3 )_2\) |
B | Temporary hardness of water | II | An electron deficient hydride |
C | \(B_2H_6\) | III | Synthesis gas |
D | \(H_2O_2\) | IV | Non-planar structure |
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): A typical unfertilized, angiosperm embryo sac at maturity is 8-nucleate and 7-celled.
Reason (R): The egg apparatus has 2 polar nuclei.
In the light of the above statements, choose the correct answer from the options given below: