Question : What is the product formed when CH₃CH₂OH reacts with O₂?

Option 1: H₂O+ heat

Option 2: CO₂ + H₂O + heat and light

Option 3: CO₂ + H₂O

Option 4: CO₂ + heat and light

Question : The major use of sulphur is in the manufacture of

Option 1: H₂SO₄

Option 2: H₂S

Option 3: SO₂

Option 4: Fungicide

Question : The chemical formula of propene is:

Option 1: C₂H₄

Option 2: C₃H₄

Option 3: C₂H₂

Option 4: C₃H₆

Question : The chemical formula of washing soda is ______.

Option 1: Na₂CO₃.10H₂O

Option 2: Na₂SO₄

Option 3: NaOH

Option 4: NaHCO₃

Question : Which of the following has pH value 7 ?

Option 1: Pure Water

Option 2: H₂SO₄

Option 3: Sodium carbonate

Option 4: HCl