MCQs

Q201: Corrosion occurs at the?

• A) Cathode
• B) Anode
• C) Both

Q202: Soft water is used in?

• A) Batteries
• B) Cooling towers
• C) Both B and C

Q203: Unit of molar concentration is?

• A) kg/m³
• B) mol/L
• C) g/cm³

Q204: H₂SO₄ is produced by which of the following processes?

• A) Haber Process
• B) Solvay Process
• C) Contact and Lead Chamber Process

Q205: Transverse waves move?

• A) Parallel to the direction of wave
• B) In a circular path
• C) Perpendicular to the direction of wave

Q206: V₂O₅ catalyst is used in which industrial process?

• A) Haber Process
• B) Contact Process
• C) Solvay Process

Q207: Magnetic field in wire (like current move)?

• A) Centre of wire
• B) Outside of wire
• C) Opposite

Q208: H2S removed from petroleum by?

• A) Ethanol
• B) Ethanol amine
• C) Water

Q209: The purest form of iron is?

• A) Pig iron
• B) Wrought iron
• C) Cast iron

Q210: The difference between two points in space is called?

• A) Area
• B) Volume
• C) Distance