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Chemical Formula

Which of the ...

Question

Which of the following statements is/are false?

A

1 and 2

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B

2 and 3

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C

Only 2

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D

Only 4

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Solution

The correct option is C Only 2
A chemical compound can be broken into two or more different elements by using chemical methods because formation of compound has fixed composition.

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Similar questions

STATEMENT 1: Elements cannot be broken down into simpler substances.

STATEMENT 2: Mixtures are homogenous and heterogenous in nature.

STATEMENT 3: Constituents of a compound can be separated by chemical means.

STATEMENT 4: A mixture has a variable composition.

Which of the following statements about a compound is incorrect ?

(a) A molecule of a compound has atoms of different elements

(b) A compound cannot be separated into its constituent elements by physical methods of separation

(c) A compound retains the physical properties of its constituent elements

(d) The ratio of atoms of different elements in a compound is fixed

Q. Two chemical species

X

Y

combine together to form a product

P

which contains both

X

Y

X + Y \to P

X

Y

cannot be broken down into simpler substances by simple chemical reactions. Which of the following concerning the species

X, Y

P

P

is a compound
(ii)

X

Y

are compounds
(iii)

X

Y

are elements
(iv)

P

has a fixed composition

Q. Two chemical species X and Y combine together to form a product P which contains both X and Y.

X + Y \to P

X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following concerning the species X, Y and P are correct ?
(i) P is a compound.
(ii) X and Y are compounds.
(iii) X and Y are elements.
(iv) P has a fixed composition.

Q. Two chemical substances X and Y combine together to form a product P which contains both X and Y

X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following statements concerning X, Y and P are correct ?

(i) P is a compound
(ii) X and Y are compounds
(iii) X and Y are elements
(iv) P has a fixed composition

(a) (i), (ii) and (iii)
(b) (i), (ii) and (iv)
(c) (ii), (iii) and (iv)
(d) (i), (iii) and (iv)

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