Polyatomicity is illustrated by molecules of
sulphur
carbon (IV) oxide
noble gases
liquefied oxygen
liquefied nitrogen
Correct answer is A
No explanation has been provided for this answer.
The following will decolourize acidified potassium tetraoxomanganate (VII) solution except
sulphur (lV) oxide
but-3-ene
pentane
hydrogen sulphide
propyne
Correct answer is C
No explanation has been provided for this answer.
Tetraoxosulphate (lV) acid is described as strong acid because it is highly
corrosive
concentrated
reactive
soluble in water
ionized in water
Correct answer is E
No explanation has been provided for this answer.
The number of atoms in 1.2g of carbon - 12 isotope is
1.00 x 10 22
6.02 x 1022
1.20 x 10 23
1.00 x 1023
6.02 x 1024
Correct answer is B
No explanation has been provided for this answer.
The oxidation number of phosphorus in PO 3/4 is
+1
+2
+3
+4
+5
Correct answer is E
No explanation has been provided for this answer.