Coke is made by heating coal in the absence of air at__________...? Mcqs

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Coke is made by heating coal in the absence of air at__________...?

(A) 700 °C
(B) 900 °C

(C) 1300 °C
(D) 1700 °C

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Involuntary muscles in a human body are present in__________...?

(A) Brain
(B) Tongue

(C) Digestive system
(D) Limbs

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Which among the following is not an example of mixture...?

(A) Common Salt
(B) Steel

(C) Sharbat
(D) Tea

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Who is the Father of Genetics...?

(A) Gregor Mendel
(B) Alexendar

(C) Darewin
(D) Louis pasture

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The point where the enzyme is most active is known as ______...?

(A) Neutral pH
(B) Acidic pH

(C) Basic pH
(D) Optimum pH

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Which of the following are made up of two or more substances that are not chemically combined...?

(A) Compounds
(B) Elements

(C) Solutions
(D) Mixtures

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Sound travels in air at an average speed of nearly________ ...?

(A) 1257 miles per hour
(B) 755 miles per hour

(C) 330 miles per hour
(D) None of these

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The distance between the optical center and the principal focus is called ____...?

(A) Focal Length
(B) Focal Point

(C) Optical Centre
(D) Centre of Curvature

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The atmospheric air is held to the Earth by...?

(A) gravity
(B) winds

(C) clouds
(D) rotation of the Earth

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Plants make their own food using...?

(A) CO2 & water
(B) Sunlight

(C) Chlorophyll
(D) Photosynthesis

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