10th class Chemistry chapter 16 online mcq test with answers for matric part 2 chemistry unit 16(Chemical Industries)

Chemistry 10th Class English Medium Unit 16 Online Test

Sr. #	Questions	Answers Choice
1	Imperial chemical industries was established in.	1942 1944 1950 1990
2	Formula of soda ash is.	Na<sub>2</sub>CO<sub>3</sub> NaHCO<sub>3</sub> Na<sub>2</sub>SO<sub>4</sub> Na<sub>3</sub>PO<sub>4</sub>
3	Formula of baking soda is.	Na<sub>2</sub>CO<sub>3</sub> NaHCO<sub>3</sub> Na<sub>2</sub>SO<sub>4</sub> Na<sub>2</sub>PO<sub>4</sub>
4	Raw materials used in Solvay's process.	Brine Lime stone Ammonia gas All
5	A saturated solution of sodium chloride is called.	Brine Suspension Colloidal None of these
6	Which contains sufficient amount of metal?	Mineral Ores Rocks Soil
7	Compound of metal exist under earth crust are called.	Ore Gangue Minral None of these
8	Froth flotation process is used to concentrate.	Copper ore Iron ore Chromium ore Aluminum ore
9	The process of roasting during metallurgy of copper is carried out in a special furnace called.	Blast furnace Fire furnace Bessemer converter Reverberatory furnace
10	Blast furnace usually used for the metallurgy of.	Iron Copper Aluminum Both a and b
11	Metallurgy involves which of the following steps?	Mining and enrichment Reduction Refining and casting. All of these
12	The elements that do not conduct heat and electricity are called.	Metallurgy Non metal Metalloid Alloy