Common Chemical Industries in Pakistan and Environmental Chemistry MCQs 4
MCQ's with answers from chapter 15 and Chapter 16 Common Chemical Industries in Pakistan and Environmental Chemistry, chemistry book 1 for FSC pre engineering and pre medical for Board of Intermediate and Secondary education. Also For Entry Test Preparation for UET, NUST, PIEAS, GIKI, AIR, FAST, WAH University, UHS, other engineering Universities and Medical Colleges.
- PAN is an irritant to human beings and it affects
- Nose
- Ears
- Eyes
- stomach
- Which of the following is not common domestic materials which are recycled
- Paper
- Iron
- Plastics
- glass
- Incineration is not a clean process because it produces toxic
- Liquids
- Solids
- Effluents
- Gases
- In cement, lime is provided by heating
- Ca(OH)2
- CaCO3
- CaSO4
- Clay
- Phosphorus helps the growth of
- Root
- Leave
- Stem
- seed
- Micro nutrients are required in quantity ranging from
- 4-40 g
- 6-20 g
- 6-200 kg
- 4-40kg
- The nitrogen present in some fertilizers helps plants
- To fight against disease
- To undergo photosynthesis
- To produce fat
- To produce protein
- The pH range of the acid rain is
- 7-6.5
- 6.5-6
- 6-5.6
- Less than 5
- Fungicides are the pesticides which
- Control the growth of fungus
- Kill insects
- Kill plants
- Kill herbs
- The main pollutant of leather tanneries in the waste water is due to the salt of
- Lead
- Chromium (VI)
- Copper
- Chromium (III)
- Eyes
- Iron
- Solids
- CaCO3
- Seed
- 6-200 g
- To produce protein
- Less than 5
- Control the growth of fungus
- Chromium (VI)
0 comments:
Confused? Feel Free To Ask
Your feedback is always appreciated. We will try to reply to your queries as soon as time allows.