Carib Quiz - Chemistry
1. Question

When large molecules are broken down into smaller ones it is called:

2. Question

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

3. Question

Powders react faster than lumps because they have:

4. Question

The Periodic Table is arranged in order of:

5. Question

Transition metals have all of these properties EXCEPT for:

6. Question

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

7. Question

The only common gas that turns moist red litmus paper blue is:

8. Question

The metal used in food containers whose surface is protected by a strong oxide layer is:

9. Question

The common name for ascorbic acid is:

10. Question

The active catalyst in a car′s catalytic converter is:

11. Question

The group of elements whose molecules and atoms are the same is called:

12. Question

The charge on a sodium ion is always:

13. Question

You never find native magnesium because:

14. Question

When potassium burns in chlorine, the material that is oxidised is called:

15. Question

Alcohol can be separated from beer using:

16. Question

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

17. Question

Any solution with a pH below 7 must be:

18. Question

The two main protein groups are globular and:

19. Question

When dilute sulphuric acid is electrolysed the two gases produced are hydrogen and:

20. Question

When limestone is heated strongly it changes into:

21. Question

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

22. Question

1 mole of gas occupies 24 litres at room temperature and pressure, so the number of moles in
72 litres is:

23. Question

All of these are carbohydrates EXCEPT for:

24. Question

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

25. 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:

26. Question

Adding mineral water to anhydrous copper sulphate turns it:

27. Question

Herbicides are used to destroy:

28. Question

The proportions of elements in a pure compound are always:

29. Question

All of the following are non-metals EXCEPT for:

30. Question

The halogen, bromine, at room temperature is a:

31. Question

We use expanded polystyrene cups for heat of reaction experiments because the cups are:

32. Question

Biological catalysts in yeast are called:

33. Question

In metals, the particles forming the structure are all:

34. Question

The catalyst in the Haber Process is:

35. Question

A plastic that softens every time it is heated is said to be:

36. Question

Common salt can be used to make all of these EXCEPT for:

37. Question

In the modern Periodic Table the elements are arranged:

38. Question

If a flask containing marble and acid is placed on a balance, the mass decreases steadily with time, which means that:

39. Question

The second most common gas in the atmosphere is:

40. Question

The standard atom used for mass calculations is:

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Chemistry Unit 1