Chemistry
Who first published the periodic table

John Dalton
Julius Lothar Meyer
Dmitri Mendeleev
Henry Moseley

ANSWER DOWNLOAD EXAMIANS APP

Chemistry
Water is not effective in extinguishing a fire caused by petrol because

Water and petrol are miscible with each other
The flame is too hot for water to cool it down
Water and petrol react chemically
Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

ANSWER DOWNLOAD EXAMIANS APP