What changes in colour take place in the indicators Phenolphthalein and Methyl Orange when you test with the following substances. Spirit, Saliva, Cucumber, Ridgegourd, Kheerd, Butter milk, Milk.

Record your observations when you test the following substances with the indicators Phenolphthalein and Methyl Orange. Substances : Cold drink, Lemon Juice, Grape Juice, Bathing soap, detergent soap, Lime water and Sugar.

Take the following substances and test them with Phenolphthalein and Methyl orange solutions. Draw a table and record your observations. Substances Orange, Tomatoes, Baking soda, Mineral water, Vinegar, Salt water, Shampoo, Washing soda.

Methyl orange and Phenolphthalein are indicators. Collect the information about their colour change in Acid and Basic solutions.

Which of the following is/are true about indicators ? (i) Hibiscus and turmeric papers are examples for natural indicators (ii) Phenolpthalein and Methyl orange are examples for Synthetic indicators (iii) Indicators show different colours in acidic and basic solutions (iv) These tell us whether a substance is acidic or basic

Vijay tested a solution with phenolphthalein indicator it was changed into pink colour. What is the colour of methyl orange in that solution ?

Take white antacid powder with water in a test tube add methyl orange indicator to it. Which colour do you observe ?

A 100 ml mixture of Na_(2)CO_(3) and NaHCO_(3) is tittrated against 1 M HCl. If v_(1)L and v_(2)L are consumed when phenolphthalein and methyl orange are used as indicators respectively in two separate titrations, which of the following is true form molarities in the original solution.

What acids are present in the following substances ? Collect the information and write: Substances: Vinegar, Lemon or orange, State cheese Buttered milk or curd, Spinach or Tomato.

When you burn a piece of wood different changes take place. Analyse the following. Predict possible changes and list them all.

Latha take some quantity of powder of a substance in a test tube. Heated it with spirit lamp. A gas was liberated. She sends the gas into another test tube. The colour of solution in the second test tube turned into milk white. Which substance was heated? Which gas is liberated? What was the solution taken in second test tube? Which type of chemical reactions involved the experiment?