Science- Chemestry 0.0 / 5 ? ScienceMy work BookYears 7-9 (KS3)AQA Created by: 00014Created on: 01-06-20 11:12 What distinguishes an alkali from other bases? All alkalis are bass but not all bases are alkalis 1 of 9 What do all alkalis have in common? They all form hydroxide ions when dissolved in water 2 of 9 What is the general equation for the neutralisation reaction between an acid and an alkali? acid + alkali --> a salt + water 3 of 9 What are group 7 elements called? Halogens 4 of 9 What is a covalent structure? a giant structure in which atoms are all joined together by strong covelent bonds 5 of 9 What is the general equation for an acid-base reaction? acid + base --> a salt + water 6 of 9 In the reactive table which element comes first, tin or zinc? Zinc 7 of 9 What is the formula for pottasium nitrate? KNo3 8 of 9 What is the formula for magnesium flouride? MgF2 9 of 9
Comments
No comments have yet been made