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Oxidation number or Oxid..



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Q1. What is the length of the test tube in the determination of aniline number experiment?

(a) 120mm
(b) 130mm
(c) 140mm
(d) 150mm

Q2. The test tube in the determination of aniline number is made up of __________

(a) Tempered glass
(b) Glass
(c) Heat resistant glass
(d) Heated glass

Q3. Lubricating oil having low aniline point results in _________

(a) Deterioration of metal
(b) Deterioration of rubber
(c) Deterioration of wall of jar
(d) Deterioration of iron

Q4. Aniline ________ with oil.

(a) Immiscible
(b) Forms crystals
(c) Forms lumps
(d) Miscible

Q5. Aniline number is the minimum equilibrium solution temperature for ________ volume of aniline and lubricating oil.

(a) More
(b) Less
(c) Equal
(d) Very high

Q6. If the oxidation product is soluble then it is desirable for lubricants.

(a) True
(b) False
(c)
(d)

Q7. Oxidation in lubricants is ________

(a) Desirable
(b) Undesirable
(c) Important
(d) Necessary

Q8. The retardation can be done by adding _________

(a) Phenyl- ? ? napthylamine
(b) Phenyl -? ? napthylamine
(c) Benzine- ? ? napthylamine
(d) Benzine ? ? ? napthylamine

Q9. The moisture in the environment ________ the oxidation.

(a) Increases
(b) Decreases
(c) Neutralises
(d) Do not change

Q10. Rate of oxidation in petroleum oil proceeds _________ at room temperature.

(a) Slowly
(b) Fast
(c) Moderate
(d) Constant


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0 Answer
803 views

Assertion : Gases Combine In Simple Ratio Of Their Volume But, Not Always. Reason : Gases Deviate From Ideal Behaviour.

Modified 242 Year Ago

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242 Year Ago

Assertion : Gases Combine In Simple Ratio Of Their Volume But, Not Always. Reason : Gases Deviate From Ideal Behaviour.

0 votes
0 Answer
751 views

A Sample Of Phosphorus Trichloride (PCL3) Contains 1.4 Moles Of The Substance. How Many Atoms Are There In Atoms Sample

Modified 243 Year Ago Sangeeta

751
Sangeeta
243 Year Ago

A Sample Of Phosphorus Trichloride (PCL3) Contains 1.4 Moles Of The Substance. How Many Atoms Are There In Atoms Sample

0 votes
0 Answer
632 views

The Significant Figures In 34.00 Are

Modified 242 Year Ago Sangeeta

632
Sangeeta
242 Year Ago

The Significant Figures In 34.00 Are

0 votes
0 Answer
478 views

The Passege Of Current Liberates H2 At Cathode And CL2 At Anode. The Solution Is

Modified 236 Year Ago

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478
236 Year Ago

The Passege Of Current Liberates H2 At Cathode And CL2 At Anode. The Solution Is

0 votes
0 Answer
464 views

Assertion : Atoms Can Neither Be Created Nor Destroyed. Reason : Under Similar Condition Of Temperature And Pressure, Equal Volume Of Gases Does Not Contain Equal Number Of Atoms.

Modified 242 Year Ago

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464
242 Year Ago

Assertion : Atoms Can Neither Be Created Nor Destroyed. Reason : Under Similar Condition Of Temperature And Pressure, Equal Volume Of Gases Does Not Contain Equal Number Of Atoms.

0 votes
0 Answer
398 views

Assertion : A Certain Element X, Forms Three Binary Compounds With Chlorine Containing 59.68%, 68.95% And 74.75% Chlorine Respectively. Reason : According To Law Of Multiple Proportions, The Relative

Modified 242 Year Ago

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242 Year Ago

Assertion : A Certain Element X, Forms Three Binary Compounds With Chlorine Containing 59.68%, 68.95% And 74.75% Chlorine Respectively. Reason : According To Law Of Multiple Proportions, The Relative

0 votes
0 Answer
396 views

In Br3O8 Compound, Oxidation Number Of Bromine Is

Modified 4 Year Ago

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4 Year Ago

In Br3O8 Compound, Oxidation Number Of Bromine Is

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