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1009 available questions

Chemistry · Question 91

How carboxylic acid are formed from alcohol?

  1. Hydrolysis
  2. Reduction
  3. Oxidation
  4. protonation
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Correct answer: C

Oxidation

Chemistry · Question 92

Which of the following codition is constant in Bomb calorimeter?

  1. Pressure
  2. Volume
  3. Temperature
  4. All of above
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Correct answer: B

Volume

Chemistry · Question 93

The smallest part of the crystal lattice has all the properties of the entire crystals , this is called

  1. unit
  2. unit cell
  3. unit crystal
  4. All of these
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Correct answer: B

unit cell

Chemistry · Question 94

Buffer capacity is maximum when both components have:

  1. High concentration
  2. Equal concentration
  3. Low concentration
  4. High and equal concentration
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Correct answer: D

High and equal concentration

Chemistry · Question 95

Exceptionally low acidic strength of HF is due to:

  1. Strong polar bond between H & F
  2. Smaller size of fluorine
  3. More electronegativity of fluorine
  4. Strong hydrogen bonging
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Correct answer: D

Strong hydrogen bonging

Chemistry · Question 96

The bond formed by the complete tranfer of electron is called

  1. ionic bond
  2. covalent bond
  3. metallic bond
  4. polar covalent bond
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Correct answer: A

ionic bond

Chemistry · Question 97

In diaphragm cell level of brine in the anode compartment is kept slightly higer which prevents.

  1. Hydroxide ions to reach the anode
  2. Chlorine gas to mix
  3. Cathode to decay
  4. All of above
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Correct answer: A

Hydroxide ions to reach the anode

Chemistry · Question 98

Which of the following is produced by heating of bonse?

  1. Gelatine
  2. Cheese
  3. Albumin
  4. Gelly
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Correct answer: A

Gelatine

Chemistry · Question 99

Urease in present in:

  1. Yeast
  2. Grapes
  3. Soya Sauce
  4. Soya bean
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Correct answer: D

Soya bean

Chemistry · Question 100

Which one of the following is formula of stearic acid?

  1. C17H33COOH
  2. C17H35COOH
  3. C7H3COOH
  4. C15H30COOH
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Correct answer: B

C17H35COOH