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IMPORTANT

Earn 100

$3 g$ of $H_{2}$ reacts with $29 g$ of $O_{2}$ to yield water. The limiting reactant is______________ and the number of moles of $H_{2} O$ formed is ___________

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Important Questions on Some Basic Concepts of Chemistry

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MHT-CET

IMPORTANT

MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Critical Thinking>Q 37

Which of the following is a compound?

MEDIUM

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Critical Thinking>Q 38

Two elements,

X

(Atomic mass

16

) and

Y

(Atomic mass

14

) combine to form compounds

A, B

and

C

. The ratio of different masses of

Y

that combine with fixed mass of

X

A, B and C

1 : 3 : 5

. If

32

parts by mass of

X

combine with

84

parts by mass of

Y

B

, in

C, 16

parts by mass of

X

will combine with _______________

EASY

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IMPORTANT

MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Critical Thinking>Q 39

Which of the following is the value of

amu

EASY

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IMPORTANT

MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Competitive Thinking>Q 1

What is the

SI

unit of density?

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Competitive Thinking>Q 2

A sample of pure carbon dioxide irrespective of its source, contains

27.27 %

of carbon and

72.73 %

of oxygen. The data supports the ________

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Competitive Thinking>Q 3

Which property of an element is always a whole number?

MEDIUM

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Competitive Thinking>Q 5

Boron has two stable isotopes,

^{10} B

(19 %)

and

^{11} B

(81 %) .

The atomic mass that should appear for boron in the periodic table is_______ .

MEDIUM

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 1 - Some Basic Concepts of Chemistry>Competitive Thinking>Q 6

An element,

X

has the following isotopic composition:

^{200} X : 90 %;^{199} X : 8.0 %;^{202} X : 2.0 %

The weighted average atomic mass of the natural occurring element

X

is close to ______________

3g of H2 reacts with 29 g of O2 to yield water. The limiting reactant is______________ and the number of moles of H2O formed is ___________

Important Questions on Some Basic Concepts of Chemistry

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$3 g$ of $H_{2}$ reacts with $29 g$ of $O_{2}$ to yield water. The limiting reactant is______________ and the number of moles of $H_{2} O$ formed is ___________