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CAIE A-Level Chemistry AS 10.1.4 Describe and Make Predictions Questions

Practise using Group 2 trends to compare known members and predict reactions or compound properties for unfamiliar ones.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • predict increasing metal reactivity down the group for reactions with water or dilute acid
  • predict increasing nitrate and carbonate thermal stability from magnesium towards barium
  • combine hydroxide and sulfate solubility trends to test a proposed identity or radium prediction

CAIE A-Level Chemistry AS 10.1.4 Describe and Make Predictions Questions question 1

[Maximum number: 1]

Steam is passed over heated magnesium to give compound J and hydrogen.
What is not a property of compound J ?

A

It has an MrM_{r} of 40.3.

B

It is basic.

C

It is a white solid.

D

It is very soluble in water.

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