English
Maharashtra State BoardSSC (English Medium) 5th Standard

Asmita went to buy an earthen pot. There she saw many things kept for sale. What is the difference between a substance and an object? - Environmental Studies 1

Advertisements
Advertisements

Question

Asmita went to buy an earthen pot. There she saw many things kept for sale.
What is the difference between a substance and an object?

One Line Answer

Solution

Objects are made from substances. Objects have definite shape and size.

shaalaa.com
  Is there an error in this question or solution?
Chapter 24: Substances, Objects and Energy - Can you tell? [Page 129]

APPEARS IN

Balbharati Environmental Studies 1 [English] 5 Standard Maharashtra State Board
Chapter 24 Substances, Objects and Energy
Can you tell? | Q 5.3 | Page 129

RELATED QUESTIONS

Choose one term from the following which includes the other three :

aerosol, emulsion, colloid, sol


Which of the following will show Tyndall effect ? Why ?

  1. Salt solution
  2. Starch solution
  3. Milk
  4. Copper sulphate solution

What is meant by a solution ? Give two examples of solutions.


How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this  solution is cooled to 10°C ?


100 mL of water at room temperature of 25°C is taken in a beaker and a little of solid S is dissolved in it by stirring to obtain a solution X. More and more of solid S is added to the solution with constant stirring, while keeping the temperature of solution constant at 30°C. After some time it is observed that no more solid dissolves in water and at the same time some solid is also left undissolved at the bottom of the beaker.

  1. The contents of beaker are filtered through a filter paper to obtain solution Y in the form of a filtrate.
  2. What name is given to solutions like X ?
  3. What name is given to solutions like Y ?
  4. What will you observe if the solution Y at 30°C is cooled down to 10°C by keeping the beaker in crushed ice ? Why ?
  5. What term is used to denote the amount of solid dissolved in 100 grams of water in a solution lie Y ?

Which technique can be used to detect and identify traces of poison present in the stomach wash of a person ?


How will you separate a mixture of common salt, sulphur powder and sand ?


Explain how, impure copper sulphate can be purified by crystallisation.


Give an example of a molecule.


Define the term matter.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×