The properties used for heat...? Mcqs

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The properties used for heat...?

(A) Hot, Energy, Cold
(B) Color, Smell, Sound

(C) , Heavy, Light, Hard
(D) Circle, Square, Point

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Material for rain-proof coats and tents owe their water proof properties to ________...?

(A) Surface tension
(B) Viscosity

(C) Specific gravity
(D) Elasticity

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According to Mosely the chemical properties of elements are the periodic function of their...?

(A) Atomic Size
(B) Atomic Mass

(C) Atomic Radius
(D) Atomic Number

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How many times the proton is heavier than an electron...?

(A) 1030
(B) 1205

(C) 1650
(D) 1836

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Examples of _______ properties involved melting, transition to a gas, change of durability and changes to crystal form....?

(A) Physical
(B) Chemical

(C) Nuclear
(D) Biological

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The physical methods used to measure physical properties is called...?

(A) Combustion analysis method
(B) Volumetric analysis method

(C) Atomic emission spectroscopy method
(D) Gravimetric analysis method

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Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________...?

(A) Conduction
(B) Convection

(C) Radiation
(D) Reflection

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An optical instrument used to measure the properties of visible light is called...?

(A) Spectroscope
(B) Telescope

(C) Microscope
(D) Binoculars

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The repetition of property after a certain interval called ___________...?

(A) Electron efinity
(B) Atomic radius

(C) periodicity of property
(D) none of these

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Materials for rain-proof coats and tents owe their water proof properties to________...?

(A) Surface tension
(B) Viscosity

(C) Specific gravity
(D) Elasticity

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Exposure to sunlight helps a person improve his health because ________...?

(A) Resistance power increases
(B) The infrared light kills bacteria in the body

(C) The ultraviolet rays convert skin oil into Vitamin D
(D) The pigment cells in the skin get stimulated and produce a healthy tan

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Preservatives are used to preserve _______...?

(A) Acids
(B) Bases

(C) Food
(D) Water

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Reptiles hibernate during_______...?

(A) Summer
(B) Winter

(C) Spring
(D) Autumn

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Which of the following vitamins promote healthy functioning of eyes in human beings...?

(A) Vitamin B
(B) Vitamin C

(C) Vitamin A
(D) Vitamin D

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The sun appears red at sunrise and sunset while it appears white at noon, because...?

(A) Of refraction
(B) It is cooler at sunrise and at sunset

(C) Of diffraction leading to red end of the spectrum reaching the earth.
(D) Of Scattering of light due to dust particles and air molecules.

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Presence of enzyme does not affect the nature or properties of ______...?

(A) Reactants
(B) Reaction rate

(C) End products
(D) Activation energy

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Oil rises in a wick of oil lamp on account of a property of matter is called...?

(A) Angle of projection
(B) Determines

(C) Capillary action
(D) Refraction of light

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With the increase in temperature, heat will be...?

(A) Increase
(B) Decrease

(C) Remain constant
(D) None

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Ozone layer protects the Earth from __________ radiations from the Sun....?

(A) microwaves
(B) infrared

(C) X-rays
(D) ultraviolet

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A human baby is similar to human beings. The property due to which similar characteristics are transformed from the parents to their young once is termed as...?

(A) Genes
(B) Heredity

(C) Adaptation
(D) None

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The smallest particle of any substance having all properties of that molecules is called...?

(A) An atom
(B) A molecule

(C) A compound
(D) An element

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An optical instrument which is used measure the properties of visible light is called...?

(A) Microscope
(B) Telescope

(C) Spectroscope
(D) Oscilloscope

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