ന! 107/2017

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The mineral from which the metal can be economically and conveniently extracted is
called ‘ore’. Name the ore of aluminium.

A) Galena B) Malachite C) Bauxite D) Cinnabar

There are chemicals which give swestening effect to the food and enhance its flavour
and odour. Name the sweetening agent used in the preparation of swests for diabstes
patients.

A) Derstrose B) Maltoss C) Glycogen D) Saccharin

Which of the following property is the basis of arrangement of elements in modem
0611006 18016 ?

A) Atomic number B) Mass number
C) Atomic radius D) lonization enthalpy

Name the slectromagnetic radiation which has lowest wavelength.
A) Visible light B) X-rays
C) Gamma rays D) Ultraviolet radiations

The sound of which of the following frequency is audible to human ears ?
A) 200 Hertz B) 25 Kilo Hertz 0) 2 ಗಂಗ D) 30 Kilo Hertz

5.1. unit of work is
A) Newton B) Joule C) Pascal D) Bar

Who proposed quantum theory of radiation ?
A) Neils Bohr 8( ۷
C) Ruther Ford D) Max Planck

The law which relates volume and temperature of a gas at constant pressure is
A) Charle’s law B) Boyle’s law
C) Avogadro’s law 0( law

Atoms of the same element with different mass numbers are known as
A) Isomers B) Isobars C) 1801009 D) Isotones

The ratio of hydrogen and oxygen in water (by volume) is
A)1:8 B) 2:1 C)1:16 D) 1:1