Advertisement Remove all ads

BE Electrical Engineering Semester 1 (FE First Year) - University of Mumbai Important Questions for Applied Chemistry 1

Subjects
Topics
Subjects
Popular subjects
Topics
Advertisement Remove all ads
Advertisement Remove all ads
Applied Chemistry 1
< prev  1 to 20 of 128  next > 

Distinguish between thermoplastic and thermosetting resins. ?

Appears in 3 question papers
Chapter: [2] Polymers
Concept: Thermoplastic Plastic

Calculate the quantity of the pure lime and soda required for softening of 1,00,000 litres of water containing the following impurities in ppm. The purity of lime is 70% and soda is BS% Ca(HCO3) = 30.2 , Mg(HCO3) = 20.8 ,CaCI2 = 28.1 ,MgCl2 = 8.78, CaSO= 35, MgSO4 = 6.7 .

Appears in 2 question papers
Chapter: [1] Water
Concept: Softening of water by Hot and Cold lime Soda method and numerical problems

Discuss the treatment of water using bleaching powder

Appears in 2 question papers
Chapter: [1] Water
Concept: Drinking Water Or Municipal Water

Calculate the total hardness in ppm in given water sample.
: 50ml of standard hard water , containing 1mg pure CaCO3 per ml consumed 20ml EDTA solution.
: 50ml of water sample consumed 30ml EDTA solution using EBT indicator.

Appears in 2 question papers
Chapter: [1] Water
Concept: Hardness of Water

Distinguish between BOD and COD. 

Appears in 2 question papers
Chapter: [1] Water
Concept: Bod - Definition and Significance

Explain reverse osmosis

Appears in 2 question papers
Chapter: [1] Water
Concept: Drinking Water Or Municipal Water

Give the preparations, properties and uses of Kevlar. 

Appears in 2 question papers
Chapter: [2] Polymers
Concept: Preparation, properties and uses of Kevlar

Giass transition temperature 

Appears in 2 question papers
Chapter: [2] Polymers
Concept: Effect of heat on the polymers (Glass transition temperature)

Vulcanisation

Appears in 2 question papers
Chapter: [2] Polymers
Concept: Rubbers > Compounding of Rubber (Vulcanization of Rubber)

Write a brief note on conducting polymers.

Appears in 2 question papers
Chapter: [2] Polymers
Concept: Conducting Polymers

List the uses of polymer in medicine and surgery.

Appears in 2 question papers
Chapter: [2] Polymers
Concept: Polymers in Medicine and Surgery

What are the functions of lubricants.

Appears in 2 question papers
Chapter: [4] Lubricants
Concept: Lubricants

What are the limitations of Phase rule?

Appears in 2 question papers
Chapter: [5] Phase Rule
Concept: Advantages and Limitations of Phase Rule.

Distinguish between alkaline and non alkaline hardness?

Appears in 1 question paper
Chapter: [1] Water
Concept: Hardness of Water

6ml of waste water was refluxed with 25ml ofK2Cr2 O7 solution and after refluxing the excess unreacted dichromate required 20ml of 0. 1 N FAS solution. A blank of distilled water on refluxing with 25 ml of K2Cr2O7 solution required 35ml of 0. 1 N FAS solution . Calculate the COD of the waste water sample.

Appears in 1 question paper
Chapter: [1] Water
Concept: COD- Definition and Significance

The hardness of 85000 litres of water sample was removed by passing it through a zeolite softener. The zeolite required 2000 litres of NaCl solution containing 190 mg/lit of NaCl for regeneration. calculate the hardness of sample.

Appears in 1 question paper
Chapter: [1] Water
Concept: Zeolite process and numerical problems

How is activated sludge process carried out for the treatment of waste water? Explain with flow sheet diagram.

Appears in 1 question paper
Chapter: [1] Water
Concept: Sewage Treatment

What are the advantages of ion exchange process?

Appears in 1 question paper
Chapter: [1] Water
Concept: Ion Exchange Process and Numerical Problems

A 1Oml of sample of water was refluxed with 20ml potassium dichromate solution and after refluxing the excess unreacted dichromate required 26.2ml of 0. 1M FAS solution. A blank 1Oml of distilled water on refluxing with 20ml of dichromate solution required 36ml of 0. 1M FAS solution. Calculate the COD of waste water . 

Appears in 1 question paper
Chapter: [1] Water
Concept: COD- Definition and Significance

Calculate the amount of lime (85% pure) and soda (95% pure) required to soften one million litre of water which contains CaCO3 = 12. 5ppml MgCO3 = 8.4ppml
CaCl2 = 22.2ppml ,  MgCl2 = 9.5ppml C02 = 33ppml HCI = Z3ppml  organic matter= 16.Bppm 

Appears in 1 question paper
Chapter: [1] Water
Concept: Softening of water by Hot and Cold lime Soda method and numerical problems
< prev  1 to 20 of 128  next > 
Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×