CBI Quiz Challenge - Average

When you ______ the audience, don’t look at just one person.

• A. address

• B. talk

• C. focus

• D. communicate

The accountants did not find ______ many errors in the spreadsheet.

• A. too

• B. any

• C. few

• D. hardly

Tickets for tonight’s concert can be purchased ________ the box office.

• A. between

• B. at

• C. around

• D. by

The retired colonel has decided to take ________ residence in Morocco.

• A. in

• B. out

• C. up

• D. with

The secretary knew exactly where to look for the documents ______ who to blame for their loss.

• A. but

• B. above

• C. beyond

• D. and

An atom is electrically neutral because the____________.

• A. number of protons equals the number of electrons.

• B. number of protons equals the number of neutrons.

• C. ratio of the number of neutrons to the number of electrons is 1:1.

• D. ratio of the number of neutrons to the number of protons is 2:1.

Covalent bonds are formed when electrons are ___________.

• A. transferred from one atom to another

• B. captured by nucleus

• C. mobile with a metal

• D. shared between two atoms

Which formula represents an ionic compound?

• A. H₂

• B. CH₄

• C. CH₃OH

• D. NH₄Cl

What is the total number of the different elements present in NH₄NO₃ ?

• A. 7

• B. 9

• C. 3

• D. 4

Which process represents a chemical change?

• A. Melting of ice

• B. Corrosion of copper

• C. Evaporation of water

• D. Crystallization of sugar