Which of the following is incorrect ?...

Which of the following is incorrect ?

With increase in atomic size, ionisation energy increases

With increase in atomic size, electron affinity increases

With increase in atomic size, metallic character increases

With increase in atomic size, electronegativity increases

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The correct Answer is:

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Which of the following in incorrect ?

Cement containing no iron is white.

Cement containing excess amount of lime cracks during setting.

Setting of cement is and endothermic process.

Setting of cement is an example of hydration.

Stability `H_(2)OgtH_(2)SgtH_(2)SegtH_(2)Te`

Bond enthalpy : `H_(2)OgtH_(2)SgtH_(2)SegtH_(2)Te`

Ka `H_(2)OgtH_(2)SgtH_(2)SegtH_(2)Te`

B.P : `H_(2)SltH_(2)SeltH_(2)TeltH_(2)O`

The cube of an even natural number is always even.

The root of a rational number `x/y` is `root3(x)/root3(y)`.

The cube root of a negative number is always pisitive.

2197 is a perfect cube.