Chemistry Ch 15 Class 12 COMMON CHEMICAL INDUSTRIES IN PAKISTAN
1 / 35
______ is needed in thyroxine, the hormone of thyroid gland.
NTS 2012ChemistryChemistry of LifeElimination Tool:
2 / 35
1500•degree Celsius furnace temperature Is maintained at which zone?
3 / 35
Ammonium nitrate contain nitrogen
4 / 35
When hexane dioic acid is heated with hexamethylene diamine, the compound formed is:
UHS 2011ChemistryIndustrial ChemistryElimination Tool:
5 / 35
In the production of wrought iron Mg, Si, and P are removed in the form of:
PMC Practice 3ChemistryIndustrial ChemistryElimination Tool:
6 / 35
Which Organic acid is used in pulping of wood for paper?
7 / 35
What is used in cement manufacture?
8 / 35
Rayon is ____?
PMC Practice 10ChemistryIndustrial ChemistryElimination Tool:
9 / 35
The temperature zones In rotary kilns are:
10 / 35
Which one of the following is an example of a co-polymer?
UHS 2015ChemistryIndustrial ChemistryElimination Tool:
11 / 35
The macronutrients for healthy plant growth are required in per acre.
12 / 35
What is the nature of “hydrated tricalcium aluminate” (3 Ca. Al203. 6 H20) in the setting of cement?
13 / 35
Genetic mutations occur in:
NUMS 2016ChemistryChemistry of LifeElimination Tool:
14 / 35
“Zymase”- a group of 14 enzymes, used in the fermentation of starch, is present in:
NTS 2010ChemistryChemistry of LifeElimination Tool:
15 / 35
The crude petroleum is separated in fraction by:
PMC Practice 4ChemistryIndustrial ChemistryElimination Tool:
16 / 35
Aluminium nitrate is not used for ai
17 / 35
Which of the following is a Marco-nutrient
18 / 35
The zone where moisture is removed and clay is broken down into Al203, Si02, Fe203 is
19 / 35
Fractions of crude petroleum can be obtained by using ___________.
20 / 35
Percentage of nitrogen in urea is:
21 / 35
Which in not woody raw material
22 / 35
Identify the pair of rnicronutrients:
23 / 35
Enzymes that are functioning within the cell are called:
24 / 35
In Paper industry, sodium sulphite is buffered with
25 / 35
cr. be used as a liquid fertilizer?
26 / 35
What is the catalyst used in the Haber process?
H₂ + N₂ ⟶ NH₃
PMC 2021 TestedChemistryIndustrial ChemistryElimination Tool:
27 / 35
Which of the following is the most widely used fertilizer in Pakistan?
28 / 35
Which one of the following is an example of a condensation polymer?
UHS 2014ChemistryIndustrial ChemistryElimination Tool:
29 / 35
Which one of the following polymer is called as Nylon 6,6?
UHS 2016ChemistryIndustrial ChemistryElimination Tool:
30 / 35
Which one of the following was used as one of the earliest antiseptic and disinfectants?
31 / 35
Which of the following is not a macronutrient?
32 / 35
How many grams of micronutrients are needed by 1 acre of land?
33 / 35
Among the most common disaccharides, one of the following is present in the milk?
34 / 35
1 calorie = ______ Joules.
35 / 35
Burning of which one of the following waste is considered as useful industrial fuel or to produce electricity
Your score is
The average score is 57%