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Activity Discussion Science & Technology What are acid, bases and salts?

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  • Shivani

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    May 20, 2021 at 5:10 pm
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    Acids

    The term acid springs from a Latin word ‘acidus’ or ‘acere’, which implies bitter. the foremost common characteristic is their bitter style. Associate in Nursing acid may be a substance that renders particleizable hydronium ion (H3O+) in its solution. It turns blue paper red.

    Based on their prevalence, they’re divided into 2 types- Natural and mineral acids.

    Natural Acids: These area unit obtained from natural sources, like fruits and animal merchandise. For e.g. lactic, citric, and hydroxy acid etc.

    Mineral Acids: Mineral acids area unit acids ready from minerals. as an example, acid (HCl), sulfuric acid (H2SO4), and aqua fortis (HNO3) etc.

    Bases

    The most common characteristic of bases is their bitter style and cleanser feel. A base may be a substance that renders group ion(OH–) in their solution. Bases flip the color of red paper to blue.

    Salts

    Salt is Associate in Nursing ionic compound that results from the reaction of acids and bases. Salts area unit set up of charged ions, referred to as cations and charged ions, referred to as anions, which might either be organic or inorganic in nature. These ions area unit gift in an exceedingly relative quantity, so rendering the character of the salt neutral.

  • Aruja

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    May 20, 2021 at 9:35 pm
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    Acids are sour in taste and change the colour of blue litmus to red. Acidic nature or ions that shows that the substance is acidic are h+ ions.

    Bases are bitter and change the colour of the red litmus to blue. Basic nature or ions that shows that the substance is basic are OH- ions or decrease in h+ ions.

    Litmus is a natural indicator turmeric is another such indicator these are basic in nature we can also use synthetic indicators such as methyl orange and phenolphthalein to test for acids and bases.

    There are some substances whose order changes in acidic or basic medium these are called olfactory indicators. Like Vanilla, onion and clove can be used as olfactory indicators.

    Salt formed by the combination of hydrochloric acid and sodium hydroxide solution which is called sodium chloride. This is a salt that we use in food. Sea water contains many salt dissolved and it sodium chloride is separated from these salts. Deposits of solid sold are also found in several part of the world. This large crystals are off tin brown due to impurities this is called rock salt.

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