!: (a) 20 cm: 80
10. Some mercury is poured into a capillary tube of
uniform bore and one end closed. When the tube
is held horizontally, mercury column has a length
of 4 cm and air enclosed in the closed end has a
length of 10 cm. If the tube is now held vertically,
with open end upwards, the length of the air
column will be (take atmospheric pressure at the
Tale place of experiment to be 760 mm)
(a) 10.5 cm . (6) 8.5 cm ",JI
(c) 9.0 cm mati (d) 9.5 cm 0

Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

The point along a planet's orbit where it is closest to the sun is called the