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TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A

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12th Standard

TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A

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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A

12th Standard Chemistry English Medium Free Online Test Creative 1 Mark Questions

Published on: 13/10/2020

Download Tamil Nadu 12th Standard Chemistry question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 12th Standard - Chemistry

chapter: - Model Question paper

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Questions:

Multiple Choice Question

10 x 1 = 10

Which one of the following solution has highest equivalent conductance?

(a)

0.1 M NaCI

(b)

0.05 M NaCI

(c)

0.005 M NaCI

(d)

0.25 M NaCI

Which one among the following in the strongest Bronsted base.

(a)

\({ ClO }_{ 4 }^{ - }\)

(b)

\({ ClO }_{ 3 }^{ - }\)

(c)

\({ ClO }_{ 2 }^{ - }\)

(d)

\({ ClO }^{ - }\)

Which among the following alkene on acid hydration will produce tertiary butyl alcohol?

(a)

\({ CH }_{ 3 }-\underset { \overset { | }{ { CH }_{ 3 } } }{ C } ={ CH }_{ 2 }\)

(b)

CH₃-CH=CH₂

(c)

\({ CH }_{ 3 }-\underset { \overset { || }{ { CH }_{ 2 } } }{ CH } \)

(d)

CH₃-CH₂-CH=CH-CH₃

Which among the following true regarding adsorption?
(i) Adsorption is a spontaneous process
(ii) Adsorption is always accompanied by increase in free energy.
(iii) Adsorption is an endothermic process
(iv) Adsorption can occur in all interfacial surfaces.

(a)

only (ii)

(b)

(ii) and (iii)

(c)

only (i)

(d)

(i) and (iv)

2N₂O₅ ⟶ NO₂ + O₂, \(\frac { d\left[ { N }_{ 2 }{ O }_{ 5 } \right] }{ dt } \) = k₁[N₂O₅], \(\frac { d\left[ { NO }_{ 2 } \right] }{ dt } \)= k₂[N₂O₅] and \(\frac { d{ O }_{ 2 } }{ dt } \) = k ₃[N₂O₅], the relation between k₁, k₂ and k₃ is _____.