Given are two possible physical tests to identify an acid or a base.<\/p>\n\n\n\n
An acid tastes sour whereas a base tastes bitter.
The method of taste is not advised as an acid or a base could be contaminated or corrosive.<\/p>\n\n\n\n
Example: The flavours of curd, lemon juice, orange juice, and vinegar are all sour. Because they contain acids, these compounds have a sour flavour. Baking soda has a sour flavour. It\u2019s an example of a foundation.<\/p>\n\n\n\n
An indicator is a chemical substance which shows a change in its physical properties, mainly colour or odour when brought in contact with an acid or a base.
Below mentioned are commonly used indicators and the different colours they exhibit:<\/p>\n\n\n\n
a) Litmus<\/strong> Litmus is also available as strips of paper in two variants \u2013 red litmus and blue litmus. b) Methyl orange<\/strong> c) Phenolphthalein<\/strong> Given are two possible physical tests to identify an acid or a base. a. Taste An acid tastes sour whereas a base tastes bitter.The method of taste is not advised as an acid or a base could be contaminated or corrosive. Example: The flavours of curd, lemon juice, orange juice, and vinegar are all sour. Because […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[632],"tags":[],"_links":{"self":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts\/5420"}],"collection":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/comments?post=5420"}],"version-history":[{"count":0,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts\/5420\/revisions"}],"wp:attachment":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/media?parent=5420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/categories?post=5420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/tags?post=5420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
In a neutral solution \u2013 purple
In acidic solution \u2013 red
In basic solution \u2013 blue<\/p>\n\n\n\n
An acid turns a moist blue litmus paper to red.
A base turns a moist red litmus paper to blue.<\/p>\n\n\n\n
In a neutral solution \u2013 orange
In acidic solution \u2013 red
In basic solution \u2013 yellow<\/p>\n\n\n\n
In a neutral solution \u2013 colourless
In acidic solution \u2013 remains colourless
In basic solution \u2013 pink<\/p>\n","protected":false},"excerpt":{"rendered":"