10 Chemistry Term 2

Acid and Base

100

This is the pH range for an acidic solution

What is below 7?

200

Acids release this ion in a solution

What is H⁺?

300

This common indicator turns red in acids and blue in bases.

What is Litmus paper?

400

This solution turn blue litmus paper red

What is an acid?

500

A solution with pH 2 is this many times more acidic than pH 3

What is 10 times?

Chemical Reactions

100

This is the name of the reaction between an acid and a base

What is neutralisation?

200

An acid reacting with a metal will produce this gas

What is hydrogen gas?

300

When reacting with acid, it produces a salt, water and carbon dioxide

What is a carbonate?

400

This acid is produced when carbon dioxide reacts with water

What is carbonic acid?

500

In a reaction between magnesium (Mg) and hydrochloric acid (HCl), these are the products

What is Magnesium chloride and Hydrogen gas?

Dilutions and Titrations

100

This happens to concentration when more solvent is added

What is decreases?

200

This formula is used to help calculate dilutions

What is C₁V₁=C₂V₂?

300

This piece of equipment is used to accurately deliver a measured volume in a titration.

What is a burette?

400

In the titration done this term, the NaOH was referred to as this specific titration terminology

What is a titrant?

500

If 25.0 mL of 0.100 M HCl reacts with NaOH, what volume of 0.100 M NaOH is needed?

What is 25.0 mL?

Moles

100

This is the term for the number of molecules in 1 mol of a substance

What is Avogadro's number?

200

This formula is used to calculate the number of moles from mass.

What is n = m / M?

300

This is used to describe a chemical equation that will neither create nor destroy mass

What is balanced?

400

If 1 mol is equal 6.02 x10²³, this is the number of molecules in 0.5 mol of CO₂

What is 3.01 × 10²³ molecules?

500

The number of moles are in 2.0 g of hydrogen gas (H₂)

What is 1 mol?

Research Task

100

A research question in a IA3 should be described as relevant and this word, if achieving the top band.

What is specific?

200

This is the total number of marks allocated to one criteria of the IA3

What is 5?

300

This part of the report should start with the claim and show the breakdown of the claim to the research question

What is a rationale?

400

After the conclusion, a research investigation should also do this to show what parts of the claim are yet to be answers/explored

What is an extrapolation of the claim?

500

The four criteria for the IA3 are: Forming and Finding, Analysing, Interpreting and this.

What is evaluating?