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2
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1
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64k
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1
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Differentiate between temporary and permanent hardness.
engineering chemistry updated 4.5 years ago by teamques10 ★ 70k
0
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1
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9.7k
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1
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Calculate all types of hardness of water sample
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
4
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1
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20k
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1
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Calculate lime & soda recorded for softening 1 litre of water.
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
1
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1
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6.0k
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1
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Write note on Ultra filtration and Reverse osmosis.
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
0
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1
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35k
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1
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A Zeolite softener was regenerated by passing 200 litre of NaCl solution, containing 50g/litre of NaCl. How many litre of water of hardness 50 ppm can be softened by this softener?
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
0
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1
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13k
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1
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Describe Zeolite method with a labelled diagram.
engineering chemistry updated 4.1 years ago by phenjoisilab • 0
0
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1
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2.3k
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1
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What are natural rubbers? State its drawbacks
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
1
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1
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6.0k
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1
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What are plasticizers and fillers and state its functions.
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
0
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1
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6.1k
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1
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Mention different types of moulding techniques. Explain fabrication of plastics with the help of injection moulding.
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
0
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1
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31k
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Mention the preparation, properties, uses and applications of the following polymers- Buna-S, PMMA, Kevlar, phenol formaldehyde.
engineering chemistry updated 4.1 years ago by phenjoisilab • 0
0
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1
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3.1k
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1
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Describe PHENOL FORMALDEHYDE
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
0
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1
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5.5k
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1
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Explain effects of heat on polymers and factors affecting it. Define glass transition temperature of polymer.
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
0
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1
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3.7k
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1
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Short notes on $-$ Conducting polymers, polymers for medicine and surgery, silicon rubber and its explanation
engineering chemistry updated 4.1 years ago by phenjoisilab • 0
0
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1
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14k
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1
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Explain intrinsic and doped conducting polymer with examples.
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
0
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1
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13k
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1
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What is Glass transition temperature explain its significance and factors affecting it
engineering chemistry updated 4.1 years ago by phenjoisilab • 0
0
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1
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41k
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1
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Distinguish between thermoplastic and thermosetting polymers.
engineering chemistry updated 4.1 years ago by phenjoisilab • 0
4
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1
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15k
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1
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Explain in brief Compounding of plastics
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
1
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1
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46k
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1
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What is vulcanization? Explain with proper reaction. Mention the advantages of vulcanized rubber.
engineering chemistry updated 4.1 years ago by phenjoisilab • 0
0
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1
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1.4k
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1
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Discuss the following treatment methods for municipal water (any two) $(i) \ Bleaching \ \ powder \\ (ii) \ Ozone \\ (iii) \ Chlorine.$
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
0
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1
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3.8k
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Discuss any following:- (i) Glass transition temperature (ii) Polymers in medicine and surgery (iii) Conducting polymers
engineering chemistry updated 4.1 years ago by phenjoisilab • 0
0
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1
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2.0k
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1
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Define lubrication and give functions of lubricant.
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
0
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1
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2.8k
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1
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Under which conditions use of semi solid lubricants is preferred?
engineering chemistry updated 4.1 years ago by phenjoisilab • 0
0
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1
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13k
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1
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What are solid lubricants explain with two examples
engineering chemistry updated 4.1 years ago by phenjoisilab • 0
3
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1
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32k
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1
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Explain significance and properties of following:
engineering chemistry updated 6.3 years ago by teamques10 ★ 70k
1
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1
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13k
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1
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State the mechanism of thick film lubrication.
engineering chemistry updated 10.0 years ago by teamques10 ★ 70k
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