The following are not decomposition reactions :
B. CaO + H2O ⇒ Ca(OH)2
C. 2Mg + O2 ⇒ 2MgO
<h3>Further explanation</h3>
The decomposition reaction is a chemical reaction shows the decomposition of a compound into its constituent elements or compounds
General formula :
AB⇒A+B
A. KCIO3 → KCI + O2
decomposition reaction
B. CaO + H2O ⇒ Ca(OH)2
synthesis/combination reaction
C. 2Mg + O2 ⇒ 2MgO
synthesis/combination reaction
D. 2NaOH ⇒ Na2O + H2O
decomposition reaction
Answer:
Explanation:
Brittleness : The ability of an object to break apart or shatter easily
Ductility: The ability of a substance to be stretched out into a long wire-like shape.
Lustre: the ability of an object to reflect light.
Malleability is a substance's ability to deform under pressure
The melting point of ice is 0°C. The melting point of a solid is the same as the freezing point of the liquid
Solubility is the relative ability of a solute to dissolve into a solvent.
solid: Has a definite shape and volume.
liquid: Has a definite volume, but take the shape of the container.
gas: Has no definite shape or volume. change of state
The resistance of a liquid to flowing is its viscosity.
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Answer:
bonus-Q = Real gold because all of them mined
Top -Q = motors wires switch
Bottem-Q = 43-9
Explanation:
Easy
Answer:
the protons
Explanation:
the number of protons is constant for each sample of the element. If the number of protons differs, then it is a different element.