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Oxidation ? Reduction an..



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Q1. Which of the following do you think is a correct statement?

(a) oxidation is caused by a reducing agent
(b) the oxidation reaction is a Redox reaction
(c) addition of electropositive element is a type of oxidation
(d) reduction is the addition of hydrogen

Q2. SnCl2 + 2FeCl2 ? SnCl4 + 2FeCl2. Which of the following element undergoes oxidation in the reaction given?

(a) iron
(b) tin
(c) chlorine
(d) ferrous

Q3. SnCl2 + 2FeCl2 ? SnCl4 + 2FeCl2 is an example of __________________ reaction.

(a) only oxidation
(b) only reduction
(c) redox
(d) neither oxidation nor reduction

Q4. Formation of zinc sulphide is an example of ___________

(a) reduction
(b) oxidation
(c) removal of oxygen
(d) addition of hydrogen

Q5. Oxidation is the same as __________

(a) addition of hydrogen
(b) removal of oxygen
(c) addition of oxygen
(d) removal of Nitrogen

Q6. Formation of copper from copper iron is an example of a reduction.

(a) true
(b) false
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q7. Reduction involves in __________ oxidation number.

(a) decrease
(b) increase
(c) independence
(d) remain constant

Q8. Removal of oxygen from a compound is an example of ________

(a) oxidation
(b) reduction
(c) oxygenation
(d) dehydrogenation

Q9. A zinc ion is formed due to oxidation.

(a) true
(b) false
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q10. In the reaction of formation of magnesium oxide magnesium undergoes ________

(a) reduction
(b) oxidation
(c) hydrogenation
(d) decomposition


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805 views

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

Modified 246 Year Ago

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246 Year Ago

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

0 votes
0 Answer
752 views

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

Modified 247 Year Ago Sangeeta

752
Sangeeta
247 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
636 views

The Significant Figures In 34.00 Are

Modified 246 Year Ago Sangeeta

636
Sangeeta
246 Year Ago

The Significant Figures In 34.00 Are

0 votes
0 Answer
479 views

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

Modified 240 Year Ago

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240 Year Ago

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

0 votes
0 Answer
468 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 246 Year Ago

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246 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

In Br3O8 Compound, Oxidation Number Of Bromine Is

Modified 8 Year Ago

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8 Year Ago

In Br3O8 Compound, Oxidation Number Of Bromine Is

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 246 Year Ago

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246 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

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