PPSC Chemistry Part VI Applied/Industrial Chemistry Online Test

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PPSC Chemistry Part VI Applied/Industrial Chemistry Online Test

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PPSC Chemistry Part VI Applied/Industrial Chemistry Online Test

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Question # 1

What element is added to copper to make it extremely hard.

Question # 2

The juice is allowed to boil at lower temperatures to protect the sugar from

Question # 3

Which substance is used as filler or additive in paper making.

Question # 4

In the process of preparation of detergents the organic acids produced are neutralized with.

Question # 5

Which of the following is NOT a hardware requirement for die casting.

Question # 6

Fats and oil are_____________

Question # 7

In a system of designating wrought aluminum alloys a sour digit number is used what does the first digit indicate.

Question # 8

The number of Glass products now manufactured is.

Question # 9

What is the most undesirable of all the elements commonly found in steels.

Question # 10

What is called black gold.

Question # 11

What type of steel has 0.8 % carbon and 100% pearlite.

Question # 12

The composition of mixture of clay and lime stone in the raw for cement material is.

Question # 13

The melting of nearly all glass is done in a continuous tank furnace. which operates steadily over periods of up to.

Question # 14

CNG is stored under

Question # 15

Glass industry requires soda ash with

Question # 16

The substance that can form the glassy non-crystalline structure is called.

Question # 17

Proper proportioning of concrete, ensures

Question # 18

The term 'brass' is very commonly used to designate any alloy primarily of.

Question # 19

Pyrolysis gasoline is obtained from.

Question # 20

In Pakistan the total production of glass is over ________ tons per year.

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