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An element x with valency a and an element y with valency b combine to form a compound the formula of the compound is
1. 5 answers
2. 176 views
The correct formula for magnesium tetraoxosulphate(iv)
1. 3 answers
2. 223 views
How to name magnesium tetraoxosulphate
1. 3 answers
2. 289 views
Calculate the relative atomic mass of sodium hydroxide (Na=23 O=16H=1)
1. 1 answer
2. 167 views
Is a small group or cluster of atoms carrying a charge that keeps it's identitya.atom b.radical c.isotope .ion
1. 1 answer
2. 159 views
The valency of oxygen isA,2 b.1 c.3 d.4
1. 3 answers
2. 186 views
The most volatile fraction obtained from fractional distillation of crude oil contains
1. 3 answers
2. 320 views
The speed of train A is 6 mph slower than the speed of train B. Train A travels 200 miles in the same time it takes train B to
1. 1 answer
2. 590 views
The speed of train A is 6 mph slower than the speed of train B. Train A travels 200 miles in the same time it takes train B to
1. 1 answer
2. 615 views

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