Question

A B

a. Ethanol 1.Hydrogen
b. Methane peroxide
2.Tincture
iodine
3.Biogas
4.Non-stick
cookware​

Answer 1

Answer:

A-- tincture iodine

B-- Hydrogen

Answer 2

A B

a. Ethanol b. Methane peroxide

1.Hydrogen   2.Tincture  iodine  3.Biogas  4.Non-stick  cookware​

• The matching pairs are a. ethanol - 2. tincture iodine b. methane peroxide - 3. biogas.
• When iodine is dissolved into a diluted solution of ethanol, a product names Tincture of iodine is obtained.  
• The biogas is mostly made up of methane and methane peroxide gas contains methane in its chemical structure.  
• This is the reason for methane peroxide gas to be considered as biogas.