A flame test colour of red could indicate the presence of a compound of:
2. Question | Physics
The existence of a neutral particle named the neutron was first confirmed experimentally by:
3. Question | Chemistry
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:
4. Question | Mathematics
A square has the same area as a rectangle with
sides of length 4 centimetres and 25 centimetres.
What is the length of the square?
5. Question | Chemistry
The metal used in food containers whose surface is protected by a strong oxide layer is:
6. Question | Physics
The units of specific latent heat are:
7. Question | Chemistry
When two solutions are mixed and give a solid product we call it:
8. Question | Mathematics
How many grams are in 2 kilograms?
9. Question | Biology
Which of the following routes taken by blood in the body is correct?
10. Question | Physics
Two resistors, one of 4 Ω and one of 6 Ω, are connected in parallel.Their combined resistance is:
11. Question | Biology
A lack of vitamin D in the diet causes:
12. Question | Chemistry
We can separate an insoluble solid from a liquid using:
13. Question | Information Technology
__________ are used in specialized fields such as engineering and drafting for outputting large-format drawings.
14. Question | Principles Of Accounts
The ABC Company deposited a Cheque received from Mr. Murray for $300.00. How must this transaction be recorded in ABC′s book?
1. Credit the Cash Book $300
2. Credit Murray′s Account
3. Debit the Bank Account
4. Debit the Cash Account
15. Question | Chemistry
The number of carbon atoms in the alcohol, pentanol, is:
16. Question | Chemistry
A salt that contains water of crystallisation is:
17. Question | English A
Instructions: Choose the one NEAREST in MEANING to the original sentence.
No right thinking person who has lived in this country will fail to understand my disgust at noise.
18. Question | Mathematics
The number 32747 written to 4 significant
figures is
19. Question | Physics
Two separate forces are acting on a bar to cause it to rotate clockwise. One force is 20 N, at a
distance of 3 m out from the pivot; the second force, 2 m further out, is 10 N. Their combined
moment is:
20. Question | Physics
The specific heat capacity of a particular liquid is 3000 J kg-1 K-1. A large beaker containing
2 kg of the liquid has to be warmed from 25 ℃ to 35 ℃. A 100 W heater is used. If all the
thermal energy could be transferred to the liquid, how long would it take?