Match the following; a. CO 2 p It is diatomic b. N 2 q. It is an element c. Gold r. A molecule of a compound d. Valency s. Its symbol is Ag e. Silver t. Combining the capacity of an element

a-r CO 2 is a molecule of a compound. b-p N 2 is It is diatomic. c-q Gold is an element, as it has only one type of atom. d-t Valency is the combining capacity of an element. e-s The symbol of silver is Ag. Column I Column II a) CO 2 r) Molecule of a compound b) N 2 p) It is diatomic c )Gold q) It is an element d) Valency t) Combining the capacity of an element e) Silver s) Its symbol is Ag

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Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>TRACK YOUR PROGRESS>Q 2

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The constituent elements of a lose their own properties.

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Important Questions on Matter and Chemical Formulae

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Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>TRACK YOUR PROGRESS>Q 2

The constituents of a compound combine in_____ratio. (fixed / indefinite)

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Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>TRACK YOUR PROGRESS>Q 2

The constituents in a_____can be separated by simple physical methods.

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Expanded Universal Science 7>Chapter 5 - Matter and Chemical Formulae>TRACK YOUR PROGRESS>Q 3

Match the following;

a.	${CO}_{2}$	p	It is diatomic
b.	$N_{2}$	q.	It is an element
c.	Gold	r.	A molecule of a compound
d.	Valency	s.	Its symbol is $Ag$
e.	Silver	t.	Combining the capacity of an element