Download Question Banks ICSE Class X (Chemistry)

(i) With reference to the variation of properties in the Periodic Table, which of the following is generally true?
A Atomic size increases from left to right across a period.
B Ionization potential increases from left to right across a period.
C Electron affinity increases going down a group
D Electro-negativity increases going down a group

(ii) Which of the following is not a common characteristic of an electrovalent compound?
A High melting point.
B Conducts electricity when molten
C Consists of oppositely charged ions.
D Ionizes when dissolved in water

(iii) Dilute sulphuric acid will produce a white precipitate when added to a solution of:
A Copper nitrate
B Zinc nitrate
C Lead nitrate
D Sodium nitrate

(iv) The salt which in solution gives a pale green precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is:
A Iron(III) sulphate
B Iron(II) sulphate
C Iron(II) chloride
D Iron(III) chloride