In the nucleus of Helium,
(A) four protons
(B) four neutrons
(C) two neutrons and two protons
(D) four protons and two electrons
What happens in most toothpastes to prevent tooth decay?
(A) Bromide
(B) Fluoride
(C) Iodide
(D) Chloride
Which of the following is not a normal salt?
(A)
(B)
(C)
(D)
Solutions having the same osmotic pressure at a given temperature are called_____.
(A) hypertonic solution
(B) hypotonic solution
(C) colloidal solution
(D) Isotonic solution
Which is not a property of Ionic bond?
(A) Gain of electrons
(B) Losses of electrons
(C) Transfer of electrons
(D) Sharing of electrons
Which of the following laws suggest a direct relationship between Temperature and Volume of a gas?
(A) Avogadro rule
(B) Charles rule
(C) Boyle rule
(D) None of these
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