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Answers
Explanation:
1:CH3COOH + NaHCO3 = CH3COONa + CO2 + H2O.
Answer: 1. Acetic acid present in vinegar will readily react with baking soda (sodium bicarbonate) to form sodium acetate with the effervescence of carbon dioxide. The equation for the reaction is: CH3COOH + NaHCO3 = CH3COONa + CO2 + H2O.
2. A reddish- or yellowish-brown flaking coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture. it mostly occurs on metals. Often happens on Iron and steel.
3.An alloy is a combination of metals or metals combined with one or more other elements. For example, combining the metallic elements gold and copper produces red gold, gold and silver becomes white gold, and silver combined with copper produces sterling silver.
4. Crystals often form in nature when liquids cool and start to harden. Certain molecules in the liquid gather together as they attempt to become stable. They do this in a uniform and repeating pattern that forms the crystal. In nature, crystals can form when liquid rock, called magma, cools
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