The process in which solid directly changes to gas is called...? Mcqs

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The process in which solid directly changes to gas is called...?

(A) Distillation
(B) Filtration

(C) Sublimation
(D) Crystallization

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The transfer of characteristics between parents and offspring is called...?

(A) Evolution
(B) Inheritance

(C) Genetic drift
(D) Mutation

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Which statement is incorrect about gas molecules...?

(A) Molecules are widely separated
(B) Molecules have low attractive forces

(C) Molecules free to move in any direction
(D) Molecules collide with one another

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Which of the statements to about the Troposphere is not true...?

(A) It contains 85-90% of the atmosphere’s mass
(B) It contains nearly all the water and oxygen of the atmosphere

(C) It is the zone which exhibits changes in condition of weather
(D) It is about 350 km thick

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Which mineral is the present in meats, eggs, table salt, fruits and vegetables...?

(A) Sodium
(B) Iodine

(C) Calcium
(D) Magnesium

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The splitting of a heavy nucleus into smaller nuclei is called...?

(A) Fusion
(B) Fission

(C) Half-life
(D) Gamma decay

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If output voltage is greater than input voltage, then transformer is :...?

(A) Step up
(B) Step down

(C) Faulty
(D) None of These

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The term “white coal” sometimes referred to which of the following...?

(A) Geothermal Electricity
(B) Wind Energy

(C) Hydroelectricity
(D) Biomass Energy

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The _____ is the largest natural source of light...?

(A) Sun
(B) Moon

(C) Star
(D) None of these

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ECG is used for the diagnosis of aliments of ...?

(A) Brain
(B) Heart

(C) Kidneys
(D) Lungs

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