Ornamental plants are commonly used for the following purposes except
For exterior decorations
As sources of perfumes
Provision of shade
As bedding materials for animals
Correct answer is D
No explanation has been provided for this answer.
A transition metal would be expected to
from oxides with different formulae
have strong oxidizing ability
have low density
have an atomic structure with an incomplete outermost shell
Correct answer is A
No explanation has been provided for this answer.
Aluminium
Chlorine
Magnesium
Sodium
Correct answer is B
No explanation has been provided for this answer.
Which of the following properties is characteristic of the halogens?
Ability to accept electrons readily
Ability to donate electrons readily
Ability to from basic oxides
Formation of coloured compounds
Correct answer is A
No explanation has been provided for this answer.
100%
75%
50%
25%
Correct answer is A
No explanation has been provided for this answer.