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3
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1
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16k
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1
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Numericals based on EDTA : 20 ml of std water containing 1 g of pure CaCO3 per lit consumed 25 ml of EDTA
engineering chemistry updated 4.8 years ago by teamques10 ★ 69k
6
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1
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61k
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1
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Write a short note on : Setting and hardening of cement
engineering chemistry updated 4.8 years ago by teamques10 ★ 69k
2
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1
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2.7k
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1
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Phase diagram for one component
engineering chemistry updated 2.8 years ago by RakeshBhuse • 3.2k
1
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1
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795
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1
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Differentiate thermoplastic and thermosetting polymers.
engineering chemistry updated 2.7 years ago by pedsangini276 • 4.8k
3
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1
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18k
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1
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Explain manufacturing of Portland cement with labeled diagram of Rotary kiln.
engineering chemistry updated 4.8 years ago by teamques10 ★ 69k
4
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1
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62k
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1
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Calculate temporary, permanent and total hardness in ppm.
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
3
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1
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29k
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1
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Explain demineralization of water by ion exchange method
engineering chemistry updated 8.6 years ago by teamques10 ★ 69k
2
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1
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9.9k
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1
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Calculate all types of hardness of water sample containing: Ca(HCO3)2=81 ppm MgSO4=60 ppm, MgCO3=42 ppm, Ca(NO3)2=82 ppm.
engineering chemistry updated 3.1 years ago by pedsangini276 • 4.8k
4
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1
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25k
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1
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State Gibbs phase rule and explain different terms involved with examples
engineering chemistry updated 4.8 years ago by teamques10 ★ 69k
0
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1
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5.0k
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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 8.5 years ago by teamques10 ★ 69k
0
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1
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13k
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1
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Explain intrinsic and doped conducting polymer with examples.
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
0
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1
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3.6k
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1
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calculate the amount of lime (85% pure) and soda (95% pure)
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
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 8.5 years ago by teamques10 ★ 69k
2
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1
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62k
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1
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Define phase, component and degree of freedom.
engineering chemistry updated 2.3 years ago by yashbeer ★ 11k
1
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1
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5.6k
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1
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What are plasticizers and fillers and state its functions.
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
0
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1
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2.0k
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1
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What are natural rubbers? State its drawbacks
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
0
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1
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34k
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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 8.5 years ago by teamques10 ★ 69k
0
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1
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1.0k
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1
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What is the equivalent weight of $ C_{12}H_{22}O_{11} $
engineering chemistry updated 8.6 years ago by teamques10 ★ 69k
0
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1
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1.4k
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1
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Calculate COD of the effluent in MS\lit.
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
5
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1
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33k
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1
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Explain the principle of EDTA method.
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
3
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1
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12k
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1
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What is the total hardness of sample of water containing following impurities in $mg/lCa(HCO3)2=162$ , CaCl2=22.2 , NaCl=20 , $MgCl_2=95$
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
0
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1
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1.5k
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1
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Water sample softened by zeolite container
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
4
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1
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6.4k
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1
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Short notes on $-$ a) reverse osmosis b) electro dialysis c) ultra-filtration
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
1
vote
1
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34k
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1
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Discuss zeolite process with the help of diagram, chemical reactions and state its advantages and limitations.
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
2
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1
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7.0k
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1
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With the help of chemical equations explain the principle of lime soda process
engineering chemistry updated 8.5 years ago by teamques10 ★ 69k
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