Everyday Science MCQs

Page No. 13

The gas usually filled in the electric bulb is___________?


aNitrogen


bhydrogen


cCarbon dioxide


doxygen


View Answer Nitrogen

The ozone molecule contains which type of bonding__________?


aDative bond


bCovalent bond


cBoth A and B


dIonic bond


View Answer Both A and B

The gases used in different types of welding would include ___________?


aOxygen and hydrogen


bOxygen, hydrogen, acetylene and nitrogen


cOxygen and acetylene


dOxygen, acetylene and argon


View Answer Oxygen and acetylene

The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ?


aArgon


bXenon


cHelium


dKrypton


View Answer Helium

Chemical formula for Water is _______ ?


aNaAlO2


bH2O


cAl2O3


dCaSiO3


View Answer H2O

Newton’s Third Law of Motion?


aevery action there is an equal and opposite reaction.


battraction or repulsion between two charges


cvolume of a given mass of gas increases or decreases


dtemperature remaining constant, volume of a given mass of a gas varies inversely



The PH of milk is __________?


a6.0


b6.5


c7.0


d7.5


View Answer 6.5

Turpentine is obtained from___________?


aOak tree


bPine tree


cBirch tree


dLemon tree


View Answer Pine tree

Soap and detergents remove the dirt from clothes due to__________?


aCapillary action


bOsmosis


cLowering of interfacial tension


dDiffusion



Which of the following is a component of soap?


aSodium sulphate


bSodium stearate


cSodium chloride


dSodium nitrate


View Answer Sodium stearate

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