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CHEMICAL REACTION AND EQUATION II 1st LECTURE II CLASS 10th II NCERT II PART 1

by CHEMISCOPE BY NISCHAY
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15 followers study24x7 13 Aug 2020 05:24 PM study24x7 study24x7

Which of the following carbon compound is used as liquid rocket fuel?

A

Carbon Tetrachloride

B

Methane

C

Propane

D

All of the Above

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15 followers study24x7 13 Aug 2020 05:22 PM study24x7 study24x7

Which of the following is a part of chalcogen group of the modern periodic table?

A

Boron

B

Tin

C

Lead

D

Oxygen

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15 followers study24x7 13 Aug 2020 05:21 PM study24x7 study24x7

Who gave the law of octaves for arrangement of elements?

A

Lothar Meyer

B

Dmitri Mendelev

C

John Alexander Newlands

D

Johann Doberenier

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15 followers study24x7 13 Aug 2020 05:19 PM study24x7 study24x7

What of these is the chemical formula of Rust?

A

Fe2O3.nH2O

B

Fe2Cl3.nH2O

C

FeCO2.nH2O

D

None

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15 followers study24x7 13 Aug 2020 05:17 PM study24x7 study24x7

54.Which of the following material is used to make control rods in a nuclear reactor?

A

Indium

B

Boron

C

Cadmium

D

All of the Above

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15 followers study24x7 13 Aug 2020 05:16 PM study24x7 study24x7

What is the general Q-value for alpha-decay?

A

Greater than 0

B

Less than 0

C

Equal to 0

D

None 

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15 followers study24x7 06 Aug 2020 04:25 PM study24x7 study24x7

What is the general Q-value for alpha-decay?

CHEMICAL REACTION AND EQUATION II 1st LECTURE II CLASS 10th II NCERT II PART 1

10 Learners

CHEMICAL REACTION AND EQUATION II 1st LECTURE II CLASS 10th II NCERT II PART 1

Intermediate Level हिंदी

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15 followers study24x7 14 Jul 2020 09:59 PM study24x7 study24x7

What is the period and group number of Silicon (Z=14) in the periodic table ?

A

2nd Period, 4th Group number

B

2nd Period, 14th Group number

C

3rd Period, 4th Group number

D

3rd Period, 14th Group number

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15 followers study24x7 14 Jul 2020 09:57 PM study24x7 study24x7

From which element in the modern periodic table, the 3d transition series starts?

A

Zinc

B

Iron

C

Scandium

D

Copper

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15 followers study24x7 14 Jul 2020 09:56 PM study24x7 study24x7

What was the name of first Nuclear reactor constructed in India?

A

bharati

B

apsara

C

laxmi

D

mohini

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15 followers study24x7 14 Jul 2020 09:52 PM study24x7 study24x7

What is Tyndall effect?

A

scattering of a beam of light by the particles of a suspension

B

refraction of a beam of light by the particles of a solution

C

scattering of a beam of light by the particles of a colloid

D

reflection of a beam of light by the particles of a suspension

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15 followers study24x7 14 Jul 2020 09:47 PM study24x7 study24x7

Which of the following defines the solubility of a solution?

A

amount of the solvent present in the saturated solution

B

amount of the solute present in the saturated solution

C

amount of the solute per amount of solute in the solution

D

difference of amount of solvent and the amount of solute

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15 followers study24x7 14 Jul 2020 09:45 PM study24x7 study24x7

What do we call the compounds of carbon having double or triple bonds between the carbon atoms?

A

Saturated carbon compounds

B

Unsaturated carbon compounds

C

Fullerenes

D

None

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15 followers study24x7 12 Jul 2020 01:01 PM study24x7 study24x7

What is the shape of XeF4 molecule?

A

t-shaped

B

bent

C

see-saw

D

square planar

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15 followers study24x7 12 Jul 2020 01:00 PM study24x7 study24x7

Which of the following is correct about the properties of the elements as per the Mendeleev’s Periodic Law?

A

they are a periodic function of the element’s atomic number

B

they are a periodic function of the element’s atomic weight

C

they don't depend on the elements's atomic weight

D

they are same for every 4th element

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15 followers study24x7 12 Jul 2020 12:58 PM study24x7 study24x7

Which of these metals has an ore named as ‘Malachite’?

A

Zinc

B

Aluminium

C

Iron

D

Copper

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15 followers study24x7 12 Jul 2020 12:56 PM study24x7 study24x7

Which of the following is correct about Manganin?

A

It is an alloy of copper

B

It has virtually zero temperature coefficient resistances

C

Both a & b

D

None

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15 followers study24x7 12 Jul 2020 12:55 PM study24x7 study24x7

What is an alloy of mercury with some other metal generally known as?

A

Galinston

B

Amalgam

C

Megalium

D

Yellow Metal

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15 followers study24x7 12 Jul 2020 12:54 PM study24x7 study24x7

Which method is used to separate the components of a mixture containing two miscible liquids having sufficient difference in their boiling points?

A

simple distillation

B

fractional distillation

C

crystallisation

D

chromatography

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15 followers study24x7 12 Jul 2020 12:53 PM study24x7 study24x7

What do we call the compounds having identical molecular formula but different structures?

A

Functional Isomers

B

Structural Isomers

C

Mirror Isomers

D

Branched Isomers

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About

Hello My Dear Students, I nischay welcome you all to my channel , for an easy and interactive learning of chemistry , and its mysteries in easy and simple way. I assure you to teach you chemistry from...
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