Law of conservation of mass was given by ____...? Mcqs

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Law of conservation of mass was given by ____...?

(A) Antoine Lavoisier
(B) Joseph Black

(C) Mikhail Lomonosov
(D) Jean Stas

Latest MCQs

Which one of the following represents a chemical change_________...?

(A) Sublimation of iodine
(B) Heating a platinum wire in a Bunsen flame

(C) Heating of mercuric oxide powder
(D) Evaporation of alcohol

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Which amongst the following cannot pass through vacuum...?

(A) Light
(B) Radiation

(C) Sound
(D) None of These

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Maintenance of soil fertility without addition of nutrition is due to...?

(A) Microbial Activity
(B) Crops residue

(C) Floods
(D) None of these

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Movement of water molecules from the area of higher water potential to the area of lower water potential called...?

(A) Diffusion
(B) Osmosis

(C) Active transport
(D) Water potential

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What are the three "R's" to remember about waste management...?

(A) Reduce, Reuse, and Recycle
(B) Remove, Return, and Relocate

(C) Refuse, Retrain, and Redeem
(D) None of these

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The average human body contains how many pints of blood...?

(A) 3 to 5 pints
(B) 5 to 7 pints

(C) 7 to 8 pints
(D) 9 to 12 pints

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The vitamin Folate works together with __________ to produce new red blood cells...?

(A) Vitamin D
(B) Vitamin A

(C) Vitamin B-12
(D) None of the above

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The outermost layer of skin is the__________...?

(A) endodermis
(B) dermis

(C) epidermis
(D) hypodermis

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Which of the following is mismatched...?

(A) Anaphase → Chromatids move
(B) Prophase → Centriole move

(C) Telophase → Nuclear membrane disappear
(D) Metaphase → Chromosome line up

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