Science Questions Update

Find the 9th term of the arithmetic progression 18, 12, 6, 0, -6 _______

I have the ______ of meeting him
A) Privilege
B) Priviledge
C) Priviledged
D) Privileged

Hydra removes undigested food by
A) Passing it through the a**s
B) Passing it through the mass
C) Means of a contractile vacuole
D) Egesting it through the body surface.
E) Passing it through the nose

The force with which an object is attracted to the earth is called
A) Acceleration
B) Mass
C) Gravity
D) Weight
E) Momentum

Pure solvents are obtained by
A) Distillation
B) Condensation
C) Extraction
D) Evaporation
E) Desolution

Satellite communication make use of
A. Radio wave.
B. Sound wave
C. Infra-red wave
D. Visible light.

The ray which cause gas molecules to glow is known as
A. Gamma ray
B. Molecule ray
C. Cathode ray
D. Anode ray

The current in reversed biased junction is due to

A) Majority carrier
b) Hole
c) Minority carrier
d) Electrons

Solve the equation 7y^2 = 3y.
A. Y = 3 or 7
B. Y = 0 or 7
C. Y = 0 or 3/7
D. Y = 0 or 9
E. Y = 0 or 10

The effluent of an industrial plant used in electrolysis of conc. brine, with mercury cathode may contain impurities like
A. Oxygen
B. Hydrogen
C. Mercury(11)chloride
D. Hydrogen chloride

X(g) ----->> X(g). The type of energy involved in the above transformation is
A. Ionisation energy
B. Sublimation energy
C. Lattice energy
D. Electron affinity

Which of the following terms indicates the number of bonds that can be formed by an atom?
A. Oxidation number
B. Valence
C. Atomic number
D. Electronegativity