Applied Chemistry

In a titration of a

weak acid with a strong base, what is the pH of the solution at the

equivalence point?

• >7

• <7

• 7

• 0

Which of the

following best describes the goal of applied chemistry?

• To learn about the

  principles of chemistry

• To solve real-world

  problems

• To advance common

  science knowledge

• To create computer

  applications

Tags

NGSS.HS-ETS1-3

NGSS.HS-PS3-3

During a

chemical reaction, the sum of the masses of the reactants and products

remains unchanged .This is known as the :

• Law of molar masses

• Law of Conservation

  of Mass

• Law of definite

  proportions.

• Law of indefinite

  proportions.

Tags

NGSS.HS-PS1-7

What is the first

step in the applied chemistry process?

• Creating a research

  design

• Reviewing literature

• Defining the problem

• Communicating results

  to others

Which one of the

following is also called as Stranger Gas?

• Argon

• Neon

• Xenon

• Nitrous oxide

What is the pH of

the solution at the point of maximum buffering?

• 11.3

• 10

• 9.3

• 5.3

Hard water is not

suitable for

• Drinking

• Washing clothes with

  soap

• Use in boilers

• none of them

Which of the

following methods is suitable for preventing an iron frying pan from Rusting

?

• Applying paint

• Applying grease

• Applying a coating of

  zinc.

• All of the above.

Tags

NGSS.MS-PS1-2

In which of the

following acid / base titrations, can we NOT determine the equivalence point

in an accurate manner?

• strong acid / strong

  base

• strong acid / weak

  base

• weak acid / strong

  base

• weak acid / weak base

A buffer solution

comprises which of the following?

• A weak acid in

  solution

• A strong acid in

  solution

• A weak base in

  solution

• A weak acid and its

  conjugate base in solution