Chemistry Ch 15 Class 12 Common Chemical Industries In Pakistan

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Among the most common disaccharides, one of the following is present in the milk?

UHS 2014
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1/35

Percentage of nitrogen in urea is:

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1 calorie = ______ Joules.

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In Paper industry, sodium sulphite is buffered with

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In the production of wrought iron Mg, Si, and P are removed in the form of:

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Identify the pair of rnicronutrients:

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Aluminium nitrate is not used for ai

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Which of the following is a Marco-nutrient

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“Zymase”- a group of 14 enzymes, used in the fermentation of starch, is present in:

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Burning of which one of the following waste is considered as useful industrial fuel or to produce electricity

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Which of the following is not a macronutrient?

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Fractions of crude petroleum can be obtained by using ___________.

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Which one of the following was used as one of the earliest antiseptic and disinfectants?

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The crude petroleum is separated in fraction by:

PMC Practice 4
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Which Organic acid is used in pulping of wood for paper?

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______ is needed in thyroxine, the hormone of thyroid gland.

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Ammonium nitrate contain nitrogen

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Which one of the following is an example of a co-polymer?

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What is used in cement manufacture?

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Which one of the following is an example of a condensation polymer?

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Which one of the following polymer is called as Nylon 6,6?

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Which of the following is the most widely used fertilizer in Pakistan? 

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When hexane dioic acid is heated with hexamethylene diamine, the compound formed is:

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Enzymes that are functioning within the cell are called:

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1500•degree Celsius furnace temperature Is maintained at which zone?

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The macronutrients for healthy plant growth are required in per acre.

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How many grams of micronutrients are needed by 1 acre of land?

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Which in not woody raw material

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Genetic mutations occur in:

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The temperature zones In rotary kilns are:

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The zone where moisture is removed and clay is broken down into Al203, Si02, Fe203 is

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What is the nature of “hydrated tricalcium aluminate” (3 Ca. Al203. 6 H20) in the setting of cement?

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Rayon is ____?

PMC Practice 10
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What is the catalyst used in the Haber process?

H₂ + N₂ ⟶ NH₃

PMC 2021 Tested
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cr. be used as a liquid fertilizer?

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