Oil of vitriol is_________...? Mcqs

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Oil of vitriol is_________...?

(A) Nitric acid
(B) Hydrochloric acid

(C) Phosphoric acid
(D) Sulfuric acid

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Solar wind is caused by the high temperature and pressure in the sun’s which atmosphere...?

(A) Photosphere
(B) Chromosphere

(C) Corona
(D) A and B

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Most gases conduct electricity at:...?

(A) Normal pressure
(B) Very low pressure

(C) Very high pressure
(D) None of these

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Final step of the scientific method is developing...?

(A) Hypothesis
(B) Research

(C) Conclusion
(D) Observation

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Triple point of water is _________...?

(A) 271 K
(B) 272.2 K

(C) 273.16 K
(D) None of these

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When two identical atoms share electron pairs and exert force on each other than bond form is ______...?

(A) Non-polar covalent bond
(B) Polar covalent bond

(C) Double covalent bond
(D) Coordinate covalent bond

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Dead cells of xylem vessels arranged vertically have empty space inside called...?

(A) Cell wall
(B) Lumen

(C) Cytoplasm
(D) Chlorophyll

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When our sun reaches the end of its red giant phase, it will turn into a___________...?

(A) Supernova
(B) White Dwarf

(C) Black Hole
(D) Neutron Star

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Which of the following allows all light to pass through it...?

(A) Book
(B) Air

(C) Wood
(D) Newspaper

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Another name for the diaphragm of microscope is...?

(A) Retina
(B) Pupil

(C) Cornea
(D) Iris

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