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ICSE Class 10 Chemistry Question 8 of 23

Solved Sample Paper 4 — Question 4

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4
Question

Question 3(iv)

Fill in the blanks selecting the appropriate word from the given choice.

(a) Formation of ............... (NH4+, NH3) involves ammonia molecule and hydrogen ion.

(b) Hydroxyl ion or hydroxide ion is formed when one ............... [H+, OH-] ion is removed from water molecule.

(c) Hydrogen needs one electron to complete its ............... [singlet, duplet].

Answer

(a) Formation of NH4+ involves ammonia molecule and hydrogen ion.

(b) Hydroxyl ion or hydroxide ion is formed when one H+ ion is removed from water molecule.

(c) Hydrogen needs one electron to complete its duplet.