Wine is a homogenous mixture while beef stew is a heterogeneous mixture as it has components which are clearly visible.
Heterogenous mixtures is defined as a type of mixture where in the composition is not uniform throughout the mixture.It consists as two or more phases. The phases are chemically distinct from each other.
As there are two or more phases present in heterogenous mixtures they can be separated by solvent extraction where in one phase is miscible with the solvent and the other phase is immiscible.
Components of a heterogenous mixtures are distinctly visible . There are two types of heterogenous mixtures, the colloids and the suspensions.These two vary with each other with respect to particle size.
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Examples of gases that can be found at home include carbon monoxide, chlorine, ammonia, hydrogen, nitrogen, and sulfur oxides.
In conclusion, carbon monoxide is gotten when we burn wood, charcoal, fuel, etc.
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b. tastes bitter
c. reacts with metals
d. changes colors of indicators
(2) crystallization (4) transmutation
The spontaneous decay of an atom is known as transmutation.
• The conversion of one chemical element or an isotope into another chemical element is termed as nuclear transmutation.
• It takes place in any process where the number of neutrons or protons in the nucleus of an atom is changed.
• It is the spontaneous decay of an atom.
• Transmutation can be attained either by radioactive decay or by nuclear reactions. In radioactive decay no external cause is required, while in nuclear reactions an external particle reacts with a nucleus.
• One kind of natural transmutation is witnessed when some kind of radioactive elements found in nature spontaneously decay by a procedure that leads to transmutation like beta or alpha decay.
Thus, the correct answer is option 4, that is, transmutation.
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