Carib Quiz - Chemistry
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Chemistry
1. Question

None of these solutions in water conducts electricity EXCEPT for:

2. Question

The common name for silicon dioxide is:

3. Question

In electrolysing a solution of copper sulphate using copper electrodes, the anode:

4. Question

A liquid compound that conducts electricity is:

5. Question

When two solutions are mixed and give a solid product we call it:

6. Question

In terms of mass, compared to a proton, an electron:

7. Question

Food can be preserved in all of these ways EXCEPT for:

8. Question

Hydrocarbons contain carbon and:

9. Question

When gas particles spread out we call it:

10. Question

The state symbol for a solution in water is:

11. Question

Dividing the mass in grams by the mass of 1 mole in grams gives:

12. Question

Transition metals have all of these properties EXCEPT for:

13. Question

Acid soils can be neutralised by adding:

14. Question

The number of atoms in a diatomic molecule is:

15. Question

To make fertilisers and explosives we need:

16. Question

All of these materials are used in a blast furnace EXCEPT for:

17. Question

All of the following are non-metals EXCEPT for:

18. Question

The number of carbon atoms in the alcohol, pentanol, is:

19. Question

All of the following have a charge of -1 EXCEPT for:

20. Question

All of these are fractions from crude oil EXCEPT for:

21. Question

The number of particles in a mole of any gas is always:

22. Question

Which one of the following gases is considerably heavier than air?

23. Question

Particles are furthest apart in:

24. Question

With iodine, starch changes colour to:

25. Question

The standard atom used for mass calculations is:

26. Question

The sharp-tasting compound in vinegar is:

27. Question

The only one of the following which is NOT a change of state is:

28. Question

The type of polymerisation used to make polythene is called:

29. Question

If a reaction takes 50 seconds at 25 ℃, then at 50 ℃ the time for the reaction in seconds is likely to be about:

30. Question

In the equation, carbon monoxide + oxygen → carbon dioxide, a reactant is:

31. Question

Alcohol can be separated from beer using:

32. Question

In metals, the particles forming the structure are all:

33. Question

The monomer used to make poly (propene) is called:

34. Question

When zinc metal is added to copper sulphate solution the products are copper and zinc sulphate solution, so the material that has been displaced must be:

35. Question

The second most common gas in the atmosphere is:

36. Question

The following are all natural materials EXCEPT for:

37. Question

The number of atoms in this formula, H2SO4, is:

38. Question

Raising the temperature of a reversible reaction always encourages the:

39. Question

g/dm3 are units of:

40. Question

To remove limescale from a tap you need:

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Chemistry Unit 1