English
Maharashtra State BoardSSC (English Medium) 10th Standard

Phenolphthalein is a Synthetic Type of Indicator.

Advertisements
Advertisements

Question

Phenolphthalein is a synthetic type of indicator.

Options

  • True

  • False

MCQ
True or False
Advertisements

Solution

Phenolphthalein is a synthetic type of indicator - True

shaalaa.com
  Is there an error in this question or solution?

APPEARS IN

RELATED QUESTIONS

How is the concentration of hydroxide ions (OH) affected when excess base is dissolved in a solution of sodium hydroxide?


Write a word equation and then a balanced equation for the reaction taking place when:

Dilute sulphuric acid reacts with aluminium powder.


Name one natural source of the following acid:

Lactic acid


Complete and balance the following chemical equation:

\[\ce{CuO_{(s)} + HCl_{(aq)} ->}\]


On adding dilute hydrochloric acid to copper oxide powder, the solution formed is blue-green.
On the basis of the above reaction, what can you say about the nature of copper oxide?


What ions are present in the solutions of following substances? (write the symbols only)

 Sulphuric acid


Define an acid and a base. Give two examples of each.


Write the chemical formula of  soda ash?


With which substance should chlorine be treated to get bleaching powder?


Name the product formed when Cl2 and H2 produced during the electrolysis of brine are made to combine.

 

State two uses each of the following compounds:

 Hydrochloric acid

 

When _______________ is passed through fresh lime water, it turns milky.


With the help of suitable examples explain the term neutralization and the formation of –

  1. acidic,
  2. basic and
  3. neutral salts

Write any four physical properties of acids.


In an attempt to demonstrate electrical conductivity through an electrolyte, the apparatus setup. Which among the following statement(s) is(are) correct?

  1. Bulb will not glow because electrolyte is not acidic
  2. Bulb will glow because NaOH is a strong base and furnishes ions for conduction.
  3. Bulb will not glow because circuit is incomplete
  4. Bulb will not glow because it depends upon the type of electrolytic solution

What are strong and weak acids? In the following list of acids, separate strong acids from weak acids.

Hydrochloric acid, citric acid, acetic acid, nitric acid, formic acid, sulphuric acid.


A sulphate salt of Group 2 element of the Periodic Table is a white, soft substance which can be moulded into different shapes by making its dough. When this compound is left in open for some time, it becomes a solid mass and cannot be used for moulding purposes. Identify the sulphate salt. Why does it show such a behaviour? Give the reaction involved.


______ & ______ metals do not react with HCl or HNO3.


Write notes on the properties of acids.


Consider the following salt:

\[\ce{ZCO3}\]

What would be the change in colour in blue litmus if \[\ce{ZCO3}\] is added to it and Z is potassium?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×