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- Dictionaryin·di·ca·tor/ˈindəˌkādər/
noun
- 1. a thing, especially a trend or fact, that indicates the state or level of something: "car ownership is frequently used as an indicator of affluence" Similar
- 2. a gauge or meter of a specified kind: "a speed indicator" Similar
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Jan 12, 2019 · Answer: indicator is any substance that gives visible sing, usually by colour change, of the presences or absent of a chemical species two indicator are. 1.litmus. 2.turmeric. Advertisement.
Jun 3, 2019 · Universal indicator is a pH indicator made of many compounds that exhibits several smooth colour changes over a wide range pH values to indicate the acidity or alkalinity of solution. Use: - Universal indicator gives difference colours to different solution at different pH values.
Jan 18, 2018 · 200 ml of water sample on titration with N/50 H2SO4 using methyl orange as indicator gave the end point when 10 ml of acid were run down. Another al … iquot of 200 ml of sample also required 10ml of acid to obtain methyl orange end point. Calculate type and extent of alkalinity present in the sample.
Oct 25, 2020 · Hey mate!! =>Indicator:-An indicator is a dye that changes colour when added to acid or base solution. ==> The two indicators which obtain from plants are litmus and turmeric..
INDICATOR. something that gives information or shows something; a sign. ACIDS. a liquid substance that can dissolve metal and may burn your skin or clothes. Acids have a pH value of less than 7In chemistry, a base is a chemical species that donates electrons, accepts protons, or releases hydroxide (OH-) ions in aqueous solution. BASES
Oct 15, 2020 · Indicator :- Chemical indicator, any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution.
Jan 12, 2018 · Answer. Liberty Indicator may be defined as the measure of the extent of demographic participation in the social and political decision making. In other words, it is an index used to measure the participation of the people in taking decisions. Some examples of liberty indicators are the measures of the extent of the Constitutional Protection ...
Jun 29, 2021 · An indicator shows one color in an acidic medium and different colors in a basic medium so that they are called indicators. There are different types of indicators: Indicators derived from natural sources are called natural indicators. eg:- Litmus, red cabbage.
Jul 15, 2020 · (b) Solution A gives pink colour when a drop of phenolphthalein indicator is added, therefore A is a base. Solution B gives red colour when a drop of methyl orange is added to it, therefore B is an acid. Hence, solution A will have less concentration of hydrogen ion than B. answer1 . The common indicator cannot give us the strength of acid and ...
Feb 18, 2023 · indicator helps us to identify whether a substance is acid or base . Aim to prepare indicator from hibiscus. Materials needed: hibiscus flowers,burner,beaker of water . Procedure: just put hibiscus and boil the water until it loses its colour. result now the indicator is made. turmeric: lemon it doesn't change colour as it is a acid
