☰ Contents · Chemistry (Organic chemistry)

Petroleum and its refining

Lessons 18 · 1 lessons · A. Mutalibov, E. Murodov, S. Masharipov, H. Islomova. Organic Chemistry, Grade 10, 1st edition. G‘afur G‘ulom Publishing House, Tashkent, 2017
Answers are for parents and teachers.
1
In the cracking C₈H₁₈ → C₄H₁₀ + ?, write the formula of the second product.
2
Order the fractions by increasing boiling range: mazut, gasoline, kerosene.
3
How many grams of water form when 57 g of octane (0.5 mol) burn (2C₈H₁₈ gives 18H₂O)?
4
Name two harmful oxides that may enter the air when petrol burns.