Question

deduce the molecular formula of the methane by the cross multiplication method
​

Answer 1

Explanation:

the formula is C^-4 H^+ =CH4 by Criss cross method

Answer 2

Answer: I hope it will help u...plzz...mark me as the Brainlist then I will Inboxx...u

Explanation:

Ca (Valency 2) & O (Valency 2)

Step 1 : Write the symbols of the radicals.

         Ca          O

Step 2 : Write the valency below the respective radical.

        Ca         O

        2            2

Step 3 : Cross-multiply symbols of radicals with their respective valency.

Step 4 : Write down the chemical formula of the compound.

CaO