Which best represents a gaseous compound? A) option a B) option b C) option c D)

Question

Which best represents a gaseous compound? A) option a B) option b C) option c D) option d E) option e Which best represents a solid element? A) option a B) option b C) option c D) option d E) option e Which best represents a heterogeneous mixture of two elements? A) option a B) option b C) option c D) option d E) option e Consider the following two compounds: H_2O and H_2O_2 According multiple proportions, the ratio of hydrogen atoms per gram of oxygen in H_2O to per gram of oxygen in H_2O_2 is A) 1:1 B) 2:1 C) 1:2 D) 2.2 E) 4:1

Explanation / Answer

9) Answer is option c

as gaseous compounds will be more spaciously distriubted only a and c have spaciously distributed but a has single atoms whereas c has two atoms in question they have asked for compounds so we have to select option C

10) Answer is option b

as only option b have very tightly packed atoms which is property of solids and it has atoms of same type so it is element hence it represents solid element

11) Answer is option e

as heterogenous mixture is mixture of atoms in two different state (say liquid and gas ) here a is completely loosely packed b is completely tightly packed c is loosely packed with compounds d is medium packed which may represent liquid whereas e is with two types one of single atom and another diatomic so it is a heterogenous mixture

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