Biology
Chemistry
Computer
English
Geography
Hindi
History & Civics
Physics
Science
Displaying 5 out
of 41
questions & answers.
Q1.
Fill in the blanks.
- The mass per unit volume is termed as ________.
- The SI unit of density is __________.
- The density of a body sinking in water is _________ than 1000 kg m-3.
- 1 g cm-3 = ___________ kg m-3.
- The relative density has _________ units.
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
- density
- kg/m3
- more
- 1000
- no
Q2.
State whether the following statements are true (T) or false (F) . Correct the false statements.
- A substance with relative density more than 1 implies that it is lighter than water and therefore it floats in the water.
- Liquids are the most dense followed by the soils and gases.
- For determining the relative density of a liquid, Eureka Can is used.
- A block of aluminum floats when placed over mercury.
- The SI unit of density is g cm-3.
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
answer not shownQ3.
Match the following.
| Column I | Column II |
| 1. Lactometer | a. Specific gravity bottle |
| 2. Pycnometer | b. kg m-3 |
| 3. SI unit of density | c. Purity of milk |
| 4. Relative density | d. 1 g cm-3 |
| 5. Density of water at 4°C | e. No unit |
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
Column I | Column II |
Lactometer | Purity of milk |
Pycnometer | Specific gravity bottle |
SI unit of density | Kg m-3 |
Relative density | No unit |
Density of water at 4° C | 1 g cm-1 |
Q4.
Show the following process in the form of a flowchart.
Measurement of the relative density of a liquid with unknown mass and volume.
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
Flowchart :
Q5.
Define relative density.
S A
M P L E
S
A M P L E
www.bigslate.com
Answer:
S A M P L E
The density of a substance with respect to the density of water at 4oC is termed as relative density. It is also termed as specific gravity.
