Speed of Reaction Multiple Choice Questions (MCQ) PDF - 6

MCQ 26: Hydrogenation of alkenes in margarine manufacturing requires catalyst of

1. vanadium oxide
2. iron
3. platinum
4. nickel

MCQ 27: Flour mills and coal mines need to be well ventilated because

1. the surface area of coal and flour needs to be digged out
2. coal and flour particles are scattered in the form of lumps
3. coal and flour particles are scattered in the form of powder
4. coal and flour particles can get ignited very easily

MCQ 28: Sugar cubes dissolve more slowly in hot drink than the granulated sugar because

1. surface area of sugar cubes is less
2. surface area of sugar is more
3. sugar cubes are acidic
4. sugar cubes are basic

MCQ 29: According to collision theory, an increase in temperature increases

1. kinetic energy of reactants only
2. heat energy of reactants only
3. mass of the reactants
4. kinetic energy and heat energy of reactants

MCQ 30: Nitric Acid (HNO₃) manufacturing requires catalyst of

1. vanadium oxide
2. iron
3. platinum
4. nickel