Which among the following is not a property of ionic compound?

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AExists in solid ,liquid and gaseous state

BGenerally soluble in water

CConduct electricity aqueous and molten state

DHigh melting and boiling point

Answer:

The property that does not belong to ionic compounds is Exists in solid, liquid and gaseous state.
Ionic compounds exist as crystalline solids at room temperature due to the strong electrostatic forces of attraction between their ions.
Because of these strong bonds, a large amount of energy is required to break the lattice structure.
This is why they have high melting and boiling points, and why they typically don't exist in a gaseous state unless heated to very high temperatures.
They are not easily volatile like many covalent compounds.

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Bauxite ore is concentrated by which process?

Consider the below statements and identify the correct answer.

Statement-1: On heating, the surface of copper powder becomes coated with black copper (II) oxide.
Statement-II: If hydrogen gas is passed over this heated material (CuO), the black coating on the surface tums brown.

N 2 (g)+3H 2 (g)--------------> 2NH₃(g)

; ΔΗ = 92.38 kJ/mol എന്ന സന്തുലിത രാസപ്രവർത്തന ത്തെക്കുറിച്ചുള്ള പ്രസ്‌താവനകളിൽ ഏതാണ് ശരി?

(i) ഇത് ഒരു താപമോചക രാസപ്രവർത്തനമാണ്

(ii) ഉന്നത ഉഷ്‌മാവിൽ കൂടുതൽ NH₃ഉത്പാദിപ്പിക്കപ്പെടുന്നു

(iii) ഉയർന്ന മർദ്ദത്തിൽ കൂടുതൽ NH3ഉത്പാദിപ്പിക്കപ്പെടുന്നു