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Everyday Science

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2140 MCQs

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Prepare effectively with our Everyday Science MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Physics, Chemistry, Biology, Environment, Human Body, Inventions, Scientific Laws, and daily-life science concepts.
Strengthen your scientific understanding, improve MCQS accuracy, and boost your exam performance with well-structured and updated topics.

A depends on the pressure in the discharge tube

B depends on the metal used as cathode

C depends on the gas used in the discharge tube

D does not depend on the nature of the gas used in the discharge tube

A higher melting point then molecular crystals

B lower melting point then molecular crystals

C discrete molecules linked by Van der waals forces

D hydrogen bonding

A increase inter-molecular interactions

B increasing potential energy of molecules

C increasing kinetic energy of molecules

D decreasing surface tension

A petrol molecules do not have any hydrogen bond

B petrol is an organic compound

C water molecules have small size

D petrol molecules have greater size

A hydrogen bonding

B irregular shape of the molecules

C irregular shape of the molecules and strong inter-molecular forces

D greater molecular size

A Ice

B Diamond

C Sucrose

D Plastic

A ionic substances

B metallic substances

C molecular solids

D covalent network solids

A Sea water

B Brass

C Tape water

D Graphite

A smallest indivisible particle in an element

B smallest particle of an element which can undergo a chemical reaction

C building block of an element

D always smaller than molecule

A Precision and accuracy should go side by side in a scientific work

B Scientific work must be precise, accuracy is not essential

C Scientific work must be accurate, precision is not essential

D Calculations must be made before any experiment

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Color of the glow produced in the discharge tube:

Covalent network crystals have_____________?

The increasing vapor pressure caused by heating a liquid is due to___________?

Rate of evaporation of petrol is greater than that of water at room temperature because:

Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to____________?

All of the following substances are crystalline except_____________?

Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?

Which of the following is a substance?

An atom is_____________?

All of the following statements are incorrect except: