Biology
Chemistry
Computer
English
Geography
Hindi
History & Civics
Physics
Science
Displaying 5 out
of 12
questions & answers.
Q1.
What would you do to make a metallic object regain its lustre after it has lost its sheen?
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
answer not shownQ2.
Name two hard and two soft solids.
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
Two examples of hard solids are:
- Diamond
- Quartz
Two examples of soft solids are:
- Rubber
- Wax
Q3.
Name two objects, the surfaces of which are smooth and two, the surfaces of which are rough.
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
Two objects with smooth surfaces:
- Mirror
- Stainless steel
Two objects with rough surfaces:
- Brick
- Sandpaper
- Stone
Q4.
How do aquatic plants and animals survive in water?
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
answer not shownQ5.
What do you mean by a solute and a solvent? Name two solids which are soluble and two which are insoluble in water.
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
A liquid that dissolves other substances is called a solvent and the substance that dissolves is called a solute.
Examples of soluble solids: Sugar, Salt
Examples of insoluble solids: Sand, Chalk
