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Elements,Compounds and Mixtures Online Exam Quiz

Important questions about Elements,Compounds and Mixtures. Elements,Compounds and Mixtures MCQ questions with answers. Elements,Compounds and Mixtures exam questions and answers for students and interviews.

Brass is an example of

Options

A : a. An alloy

B : b. a compound

C : c. a mixture

D : d. an element

A particle may be

Options

A : a. an atom

B : b. a molecule

C : c. an isotope

D : d. all of these

Other than O and C, main elements of a brick wall includes

Options

A : a. Silicon (Si)

B : b. Calcium (Ca)

C : c. Aluminum (Al)

D : d. both a and b

Symbol of Magnesium is

Options

A : a. Mg

B : b. Mn

C : c. Hg

D : d. M

Naturally occurring elements are

Options

A : a. 82

B : b. 92

C : c. 99

D : d. above 100 by now

Material is largely composed of

Options

A : a. metals

B : b. organic matter

C : c. atoms

D : d. all of these

Symbol of carbon is

Options

A : a. Ca

B : b. C

C : c. Cl

D : d. Cr

Sn is symbol of

Options

A : a. Selenium

B : b. Silicon

C : c. Tin

D : d. Lead

Alloys are a form of

Options

A : a. mixture

B : b. compound

C : c. metal

D : d. transition metals

Elements common in both man and brick wall is

Options

A : a. O

B : b. C

C : c. Ca

D : d. all of these

Symbol of Mercury is

Options

A : a. Mg

B : b. Hg

C : c. Me

D : d. Mr

Symbol of Copper is

Options

A : a. Co

B : b. Cu

C : c. Cl

D : d. Ca

Copper wire is an example of

Options

A : a. an alloy

B : b. a compound

C : c. a mixture

D : d. an element

A compound is a

Options

A : a. pure substance

B : b. an impure substance due to various elements

C : c. substance with varying boiling points

D : d. a substance with varying melting points

Smallest particle of a compound is

Options

A : a. atom

B : b. electrons

C : c. molecules

D : d. all of these

Smallest metal name in period table is Tin with a symbol of

Options

A : a. Ti

B : b. Tn

C : c. Sn

D : d. Fe

Symbol of Boron is

Options

A : a. B

B : b. Ba

C : c. Br

D : d. Be

Symbol of Cobalt is

Options

A : a. Co

B : b. Cu

C : c. Cl

D : d. Ca

Symbol of silver is

Options

A : a. Si

B : b. Se

C : c. Sn

D : d. Ag

A compound results from chemical combination of

Options

A : a. two or more atoms

B : b. two or more non-metals

C : c. two or more metalloids

D : d. both a and b

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