Advertisements
Advertisements
Question
Write ‘true’ or ‘false’ against the following statement:
Coal gas is used in the preparation of artificial ferilizers.
Options
True
False
Solution
False.
APPEARS IN
RELATED QUESTIONS
Fill in the blank.
............. is the hardest substance that occurs naturally.
Name the following:
A greyish black non- metal that is a good conductor of electricity.
Fill in the blank
.............is formed when charcoal is burnt in a limited supply of air.
Name the products formed when:
diamond is burnt in air at 900°C.
Give two uses for the following:
bone charcoal
FILL IN THE BLANK
.............. is used to make carbon brushes in dynamos.
FILL IN THE BLANK
Graphite is a good conductor of .............
TRUE \ FALSE
Coal can be converted to coke by destructive distillation.
Name two crystalline and four amorphous allotropes of carbon.
State the reasons for use of graphite
(i) as a lubricant for heated machine parts,
(ii) as a lining for crucibles used in manufacture of high grade steel,
(iii) as an electrode in electroplating.
