Science Questions Update

Science Questions Update This page is about the pride chemistry gives us while studying it. CHEMISTRY IS JUST INEVITABLE IN THIS WORLD. I REP CHEMISTRY

14/01/2015

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

14/01/2015

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

14/01/2015

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

14/01/2015

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

14/01/2015

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

08/03/2014

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

08/03/2014

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

08/03/2014

The current in reversed biased junction is due to

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

11/12/2013

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

11/12/2013

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

11/12/2013

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

10/12/2013

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

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