Class 10 Chemistry MCQs - Chapter 5
Chemical Industries Trivia Questions and Answers PDF - 4
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Chemical Industries Questions & Answers PDF Download: MCQ Quiz 4
MCQ 16: Compounds which are added in the soil to provide essential elements to plants are called
- carbonates
- salts
- fertilizers
- metals
MCQ 17: The boiling point of naphtha is
- below 20 °C
- 35 °C to 70 °C
- 70 °C to 120 °C
- 170 °C to 250 °C
MCQ 18: Which of the following used in paving roads and making roofing material?
- diesel
- lubricating oil
- fuel oil
- bitumen
MCQ 19: The process of separating metal from ore is called
- magnetic separation
- floatation process
- metallurgy
- cyclone separation
MCQ 20: Which of the following is used as a fuel for motor cars and vehicles?
- Liquid Petroleum Gas (LPG)
- petrol
- naphtha
- kerosene
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Grade 9 Chemistry MCQ with Answers
- Number of protons in the nucleus constitute it's
- Electrons revolve only in those orbits with angular momentum as an
- Oxidation-reduction reaction involves
- Solution of mercury with other metals is called
- Period number of the element indicates the value of
- Movement of molecules from higher concentration to lower concentration is called
Chemical Industries MCQ Book Questions
- Which of the following is used to clean metals and bricks?
- Vitamin B is necessary for
- Process in which metal ions are reduced to free metals is called
- Which of the following is produced when electrical discharges pass through oxygen in the air?
- Which of the following is used as antifreeze in automobile radiators?
- Permanent hardness of water is caused due to the presence of dissolved