When red litmus paper dipped basic, its colour change to ____...? Mcqs

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When red litmus paper dipped basic, its colour change to ____...?

(A) Blue
(B) Pink

(C) Red
(D) Dark

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Units of electricity consumed by 2500 watt air-conditioner in one hour are_________...?

(A) 25 units
(B) 2.25 units

(C) 2.5 units
(D) 0.25 units

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How many Calories are there in 100 grams Natural Honey...?

(A) 107
(B) 209

(C) 304
(D) 416

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A substance which produces hydroxyl ion (OH)- in the aqueous solution is called...?

(A) Oxidizing agent
(B) Reducing agent

(C) Base
(D) Acid

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The type of coordination through electrochemical signals is _______...?

(A) Nervous
(B) Chemical

(C) Mechanical
(D) All of these

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Galileo was an Italian astronomer who _________...?

(A) Developed the telescope
(B) Discovered four satellites of Jupiter

(C) Discovered that the movement of pendulum produces a regular time measurement
(D) All of the above

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A ______ is a semiconductor component that can either be used as switch or an amplifier....?

(A) Three pine shoe
(B) Transistor

(C) Reflector
(D) Dipole

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The Gas is mobile phase in ______...?

(A) Liquid chromatography
(B) Solid chromatography

(C) Gas chromatography
(D) None of these

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Which of the following is/are the characteristics of reptiles...?

(A) Dry scaly skin
(B) Cold-blooded

(C) Lay eggs on land
(D) Lives in/on water/land

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Deficiency of vitamin “D” in human body can causes____...?

(A) Gum disease
(B) Skin problem

(C) osteoporosis and fractures
(D) Eye-sighted weakness

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