Q. 45.0( 4 Votes )

Fill in the blank

Answer :

i. Coke was used in manufacture of steel.

Reason: used to strengthen the pure iron used in steel

ii. The bi product of coal used in synthetic dyes and paints is coal tar.

Reason: informative question. Information in book.

iii. Coal was formed in areas where large amounts of Vegetation was buried under the earth.

Reason: vegetation buried for very long time (millions of years) face extremely high temperature and pressure and gives coal.

iv. Carbon di oxide gas which causes climate change and global warming.

Reason: carbon di oxide traps sun ’s heat and increases the temperature of the earth. This is what global warming is.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses

Assume that you aAP - Physics & Chemistry

Project Work
AP - Physics & Chemistry

The following TabAP - Physics & Chemistry

Fill in the blankAP - Physics & Chemistry

Why should peopleAP - Physics & Chemistry

“Crude oil and reAP - Physics & Chemistry

Harshith said to AP - Physics & Chemistry

How do you apprecAP - Physics & Chemistry