Carib Quiz - Chemistry
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Chemistry
1. Question

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

2. Question

The empirical formula, C6H12O6, gives the simplest ratio as:

3. Question

Nitrogen fixation produces:

4. Question

The number of electrons shared in a single covalent bond is:

5. Question

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

6. Question

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

7. Question

A ballpoint pen mark can be removed using:

8. Question

The two main protein groups are globular and:

9. Question

When metals react with acids they give a salt and:

10. Question

All of these are trace elements EXCEPT for:

11. Question

The rate of reaction between marble and hydrochloric acid can be speeded up by using:

12. Question

The alcohol in beer and spirits is called:

13. Question

The charge on a sodium ion is always:

14. Question

All of these are compounds EXCEPT for:

15. Question

An insoluble metal oxide can be described as:

16. Question

Ammonia gas spreads out faster than hydrogen chloride, showing that it is:

17. Question

The catalyst in the Haber Process is:

18. Question

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

19. Question

In an endothermic reaction:

20. Question

To make cell walls, plants must have:

21. Question

1 mole of sodium carbonate weighs 106 g, so the number of moles in 318 g will be:

22. Question

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

23. Question

In electrolysis the anode is the:

24. Question

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

25. Question

A reaction that gives out heat is said to be:

26. Question

In the reactivity series of metals the order is: sodium, calcium, magnesium, aluminium, which means that the most reactive metal is:

27. Question

A salt that is anhydrous contains no:

28. Question

A molecule of ethene can be described as all of these EXCEPT for:

29. Question

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

30. Question

The Haber Process is used to make:

31. Question

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

32. Question

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

33. Question

To complete the reaction: acid + carbonate → salt + carbon dioxide + ?, we must add the word:

34. Question

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

35. Question

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

36. Question

Oxidation can include all of these EXCEPT for:

37. Question

The halogens are found in:

38. Question

The electrical charges on a proton and an electron are:

39. Question

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

40. Question

The non-metal used to make margarine is:

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Chemistry Unit 1