Which metal is extracted from sea water...? Mcqs

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Which metal is extracted from sea water...?

(A) Potassium
(B) Magnesium

(C) Aluminum
(D) None of these

Latest MCQs

If an Opaque object is moved closer to the light source the shadow gets _______...?

(A) Smaller
(B) Very Smaller

(C) Bigger
(D) Older

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You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star....?

(A) Wolf-Rayet star
(B) Red supergiant

(C) Stellar storm
(D) Pulsar

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Foundation of life based on _____...?

(A) Physical foundation
(B) Biological foundation

(C) Environmental foundation
(D) Chemical foundation

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Sedimentary rocks are__________...?

(A) Porous
(B) Hard

(C) Rough
(D) Brittle

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Which of the following is the major constituents of LPG...?

(A) methane
(B) ethane

(C) hydrogen
(D) butane

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Ionic crystals have ______...?

(A) High melting points
(B) Moderate melting points

(C) Low melting points
(D) None of above

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Ultrasound has several uses in medicine and industry. Which one has use of ultrasound...?

(A) Absorption
(B) Pre-natal scanning

(C) Dispersion
(D) Measuring humidity of air

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Which one among the following is an example of decomposition reaction...?

(A) The formation of hydrogen and oxygen from water
(B) The formation of water from hydrogen and oxygen

(C) The formation of carbon dioxide from carbon and oxygen
(D) The formation of oxygen from nitrogen and oxygen

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Orbital period of the planet Mercury around the sun is _____________...?

(A) 88 days
(B) 365 days

(C) 2 years
(D) 98 days

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