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Serga [27]
3 years ago
12

The theory of evolution was proposed by

Chemistry
2 answers:
yulyashka [42]3 years ago
4 0
The theory of evolution was proposed by Darwin. 
Pachacha [2.7K]3 years ago
4 0
The theory of evolution was proposed by Charles Darwin in 1858
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2 moles of substance A contains 12.04 × 1023 atoms.
professor190 [17]

Answer:

2 moles of Substance B

Explanation:

Because 1 mole of any substance contains 6.02× 10²³ particles either atoms, molecules, ions or even electron(Avogardo Constant)

Therefore 12.04 × 10²³/ 6.02× 10²³  =  2 mole of Substance B

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2 years ago
Which of the following statements are correct? More than one answer may be correct.
garri49 [273]

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E, only one statement is correct

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Absorption is favoured by heating the solution containing the colored impurity.

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2 years ago
The law of conservation in mass
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The Law of Conservation of Mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions. ... If we account for all reactants and products in a chemical reaction, the total mass will be the same at any point in time in any closed system.
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PLEASE HELP!!!
algol [13]
Question 1 answer: A

Question 2 answer: H

Question 3 answer: J

Question 4 answer: T
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Which statement describes both homogeneous mixtures and heterogeneous mixtures?
stiks02 [169]

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both are the types of mixture and both are impure substances that donot have fixed composition and the composition of constituents  is not uniform

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