Chemistry, asked by karunakarkv7015, 1 year ago

Chemical formula for sulphurous acid by using criss cross method

Answers

Answered by vishuSinghk2

firstly it's sulphuric acid!!! formula of sulphuric acid is =H2SO4
now, valency of H2 is= -1
valency of SO4 is =2
sol:
H SO4
1. 2
cross multiply
you will get H2SO4

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