The colour of litmus in a neutral medium is
purple
pink
yellow
orange
Correct answer is A
The colour of a neutral litmus solution is purple.
Litmus solution is made up of purple dye which is extracted from Lichens.
It is a natural Indicator and it is used to indicate the presence of an acid or a base.
A litmus paper will turn red in the presence of an acid and it turns blue in the presence of a base.
The basicity of CH<sub>3</sub>COOH is
4
1
2
3
Correct answer is B
No explanation has been provided for this answer.
The major and most effective way of controlling pollution is to
improve machinery so that the substances released from combustion are less harmful
pass strict laws against it by individuals and companies
educate people on the causes and effects of pollution
convert chemical wastes to harmless substances before releasing them into the environment
Correct answer is C
No explanation has been provided for this answer.
The dispersion of a liquid in a liquid medium will give
an emulsion
a fog
a gel
an aerosol
Correct answer is A
No explanation has been provided for this answer.