CaribQuiz - Chemistry
Chemistry
1. Question

g/dm3 are units of:

Select Your Answer
2. Question

To work out the heat change in a reaction we need to know just three things, the mass, the temperature change and the:

Select Your Answer
3. Question

The following are all natural materials EXCEPT for:

Select Your Answer
4. Question

Herbicides are used to destroy:

Select Your Answer
5. Question

One example of an emulsifying agent is:

Select Your Answer
6. Question

All of these are trace elements EXCEPT for:

Select Your Answer
7. Question

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

Select Your Answer
8. Question

The energy used in thermal decomposition is:

Select Your Answer
9. Question

The halogen used to make bleach is called:

Select Your Answer
10. Question

The standard atom used for mass calculations is:

Select Your Answer
11. Question

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

Select Your Answer
12. Question

The two common varieties of chlorine atoms are called:

Select Your Answer
13. Question

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

Select Your Answer
14. Question

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

Select Your Answer
15. Question

The number of atoms in a diatomic molecule is:

Select Your Answer
16. Question

Nitrogen fixation produces:

Select Your Answer
17. Question

Alcohol can be made by fermentation of all these EXCEPT for:

Select Your Answer
18. Question

With iodine, starch changes colour to:

Select Your Answer
19. Question

The gas that relights a glowing splint is:

Select Your Answer
20. 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:

Select Your Answer
21. Question

If the relative atomic mass (RAM) = 1 for hydrogen and 16 for oxygen, the formula mass for H2O2 is:

Select Your Answer
22. Question

The proportions of elements in a pure compound are always:

Select Your Answer
23. Question

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

Select Your Answer
24. Question

In a water condenser the cooling water enters at:

Select Your Answer
25. Question

Acid soils can be neutralised by adding:

Select Your Answer
26. Question

All of these are ordered crystalline structures EXCEPT for:

Select Your Answer
27. Question

Candied fruits are preserved in a strong solution of:

Select Your Answer
28. Question

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

Select Your Answer
29. Question

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

Select Your Answer
30. Question

The state symbol for a solution in water is:

Select Your Answer
31. Question

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

Select Your Answer
32. Question

The electrical charges on a proton and an electron are:

Select Your Answer
33. Question

An insoluble metal oxide can be described as:

Select Your Answer
34. Question

The major plant nutrients written as NPK refer to phosphorus, nitrogen and:

Select Your Answer
35. Question

Cooking food improves all of these EXCEPT for:

Select Your Answer
36. Question

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

Select Your Answer
37. Question

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

Select Your Answer
38. Question

When metals react with acids they give a salt and:

Select Your Answer
39. Question

The charge on a sodium ion is always:

Select Your Answer
40. Question

Any solution with a pH below 7 must be:

Select Your Answer

Results: (%)

0 Correct | 0 Wrong
40 Question
0 Answered
| Next» | PAGE: 1 / 4
CaribQuiz