Chemistry 10th Class English Medium Unit 16 Online Test With Answers

image
image
image

Chemistry 10th Class English Medium Unit 16 Online Test

Sr. # Questions Answers Choice
1 The number of carbon atoms present in diesel oil. 10-15 11-15 12-15 13-15
2 The number of carbon atoms present in kerosene oil. 8-12 9-12 10-12 11-12
3 The number of carbon atoms present in gasoline or petrol. 5-10 6-10 7-10 8-10
4 The number of carbon atoms present in petroleum ether. 1-5 2-5 3-7 5-7
5 The number of carbon atoms present in petroleum gas. 1-2 1-3 1-4 1-5
6 Formula of Urea is. KCNO H<sub>2</sub>N-CO-NH<sub>2</sub> HN-CO<sub>2</sub>-NH H<sub>3</sub>N-CO-NH<sub>3</sub>
7 How many % age of urea is used as fertilizers? 80% 90% 95% 98%
8 How many % age of nitrogen present in air by volume? 70% 75% 78% 80%
9 Ammonia is prepared by the process . Ostwald Haber Clark All
10 The raw materials for the manufacturing of urea are. Ammonia Carbondioxide Limestone a &amp; b
11 How many % age of nitrogen in urea fertilizers? 40.6 45.6 46.6 50
12 Sindh alkalies limited was established near Karachi in. 1965 1966 1970 2000
Download This Set