Chemistry MCQs Chapter 4 book 1

1.     Rising of liquid in a capillary tube is due to

a)     Surface tension

b)    Cohesive forces

c)     Adhesive forces

d)    Viscosity

2.     Boiling point of water at Mount Everest is

a)     98⁰C

b)    69⁰C

c)     100⁰C

d)    70⁰C

3.     10% urea in NaCl changes the shape of crystal because

a)     It reacts chemically with NaCl

b)    It disturbs packing of ions in crystal

c)     Urea itself is not crystalline

d)    Urea do not interact with NaCl

1.C(between glass and liquid)

2.b

3.b