Carib Quiz - Chemistry
1. Question

All of these are fractions from crude oil EXCEPT for:

2. Question

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

3. Question

More collisions between particles are likely to happen if a solution is made:

4. Question

When zinc sulphide is heated in air the gas produced is:

5. Question

The electrical charges on a proton and an electron are:

6. Question

One example of an emulsifying agent is:

7. Question

The gas released by baking powder is:

8. Question

All of these are compounds EXCEPT for:

9. Question

To make cell walls, plants must have:

10. Question

When black copper oxide is heated with carbon, brown copper metal is produced, which means that compared to copper, carbon is the:

11. Question

The sharp-tasting compound in vinegar is:

12. Question

The units we use for heat given out by a reaction are:

13. Question

The simplest ratio of atoms in a compound is given by the:

14. Question

When gas particles spread out we call it:

15. Question

Iron chloride can be prepared from the reaction of iron and:

16. Question

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

17. Question

Different structures based on the same molecular formula are called:

18. Question

All of these elements form allotropes EXCEPT for:

19. Question

To remove limescale from a tap you need:

20. Question

The state symbol for a solution in water is:

21. Question

At the cathode all of these can happen EXCEPT for:

22. Question

The alloy, brass, contains copper and:

23. Question

The energy used in thermal decomposition is:

24. Question

Particles are furthest apart in:

25. Question

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

26. Question

The type of bonding that involves loss or gain of electrons is called:

27. Question

Cooking food improves all of these EXCEPT for:

28. Question

Hydrocarbons contain carbon and:

29. Question

In making bread the enzymes in yeast break down starch to give:

30. Question

All of these are alkenes EXCEPT for:

31. Question

The number of litres in 2000 cm3 is:

32. Question

For Mg++ to turn into an atom of magnesium metal it must:

33. Question

All of these reactions are exothermic EXCEPT for:

34. Question

Reactive metals such as potassium react with water to give hydrogen and:

35. Question

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

36. Question

When solid carbon dioxide turns straight into a gas we call it:

37. Question

In a titration the long tube with a volume scale is a:

38. Question

The main metal in tin cans used to preserve food is:

39. Question

g/dm3 are units of:

40. Question

The two common varieties of chlorine atoms are called:

Results: (%)
0 Correct | 0 Wrong
40 Question
0 Answered
CSEC Subjects
English A
Information Technology
Integrated Science
Social Studies
CAPE Subjects
Chemistry Unit 1