In 1869 Mandeleev put forward his periodic law about _____...? Mcqs

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In 1869 Mandeleev put forward his periodic law about _____...?

(A) Atomic Number
(B) Chemical properties

(C) Physical properties
(D) Atomic Mass

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When animals and plants are decayed in absence of air, there produces a gas called...?

(A) Natural Gas
(B) CNG

(C) LPG
(D) Biogas

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Which of the following is not an Arrhenius acid...?

(A) HCl
(B) CO2

(C) HNO3
(D) H2SO4

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Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body:...?

(A) Right Auricle
(B) Left Auricle

(C) Right Ventricle
(D) Left Ventricle

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Law of independent Assortment was given by :...?

(A) Gregor Mendal
(B) fariady

(C) Mendala
(D) None

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The atomic mass of an element expressed in gram is ______...?

(A) Gram molecular mass
(B) Gram atomic mass

(C) Gram formula mass
(D) Mole

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Approximately, how many times each day do our heart valves open and close normally...?

(A) 10,000
(B) 1,00,000

(C) 1,50,000
(D) 2,00,000

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Disease beri beri is because of___________...?

(A) Lack of green vegetables in diet
(B) Use of milled rice

(C) Deficiency of calcium in bones
(D) Poor use of citrus fruits

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A normal platelets count range ...?

(A) 1.5 lac  – 4.5 lac platelets per liter blood.
(B) 1.5 lac – 4.5 lac platelets per micro-liter of blood.

(C) 1.5 million  – 4.5 million platelets per liter of blood.
(D) 1.5 million  – 4.5 million platelets per micro-liter of blood.

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Which disease affects infants and young children...?

(A) Scurry
(B) Marasmus

(C) Rickets
(D) Osteoporosis

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