Gary Horner Solutions for Chapter: Evidence, Exercise 5: Qualitative observation, quantitative observation or an inference?

Author:Gary Horner

Gary Horner Chemistry Solutions for Exercise - Gary Horner Solutions for Chapter: Evidence, Exercise 5: Qualitative observation, quantitative observation or an inference?

Attempt the practice questions on Chapter 2: Evidence, Exercise 5: Qualitative observation, quantitative observation or an inference? with hints and solutions to strengthen your understanding. MYP Chemistry A concept-based approach Years 4&5 solutions are prepared by Experienced Embibe Experts.

Questions from Gary Horner Solutions for Chapter: Evidence, Exercise 5: Qualitative observation, quantitative observation or an inference? with Hints & Solutions

EASY
MYP:4-5
IMPORTANT

Consider the statement and decide if it is a qualitative observation, a quantitative observation or an inference.

A yellow precipitate is formed when two colourless solutions are added together.

EASY
MYP:4-5
IMPORTANT

Consider the statement and decide if it is a qualitative observation, a quantitative observation or an inference.

A vigorous reaction occurs and bubbles are seen on the surface of the metal in the solution.

EASY
MYP:4-5
IMPORTANT

Consider the statement and decide if it is a qualitative observation, a quantitative observation or an inference.

Hydrogen gas is produced during the reaction.

EASY
MYP:4-5
IMPORTANT

Consider the statement and decide if it is a qualitative observation, a quantitative observation or an inference.

A temperature rise of 8°C is recorded.

EASY
MYP:4-5
IMPORTANT

Consider the statements and decide if it is a qualitative observation, a quantitative observation or an inference.

The metal turns a brown colour. It has rusted

EASY
MYP:4-5
IMPORTANT

Consider the statement and decide if it is a qualitative observation, a quantitative observation or an inference.

The mass of the reaction mixture decreases as the gas escapes from the conical flask.

EASY
MYP:4-5
IMPORTANT

Consider the statement and decide if it is a qualitative observation, a quantitative observation or an inference.

There is a loss of mass of 4.3 g over the first 120 s of the reaction.