On Line Test For Class 7 Chemistry
11 Questions
| Total Attempts: 72
Class 7 Chemistry
Questions and Answers
- 1.Which property of matter you can show by this experiment?
- 2.What is the other name of condensation?
- A.
Sublimation
- B.
Deposition
- C.
Liquefaction
- D.
Crystallization
- 3.Which type of change is sublimation of ammonium chloride?
- A.
Physical change
- B.
Chemical change
- C.
Both 1 and 2
- D.
None of these
- 4.The gas release when we heat lead dioxide
- A.
Nitrogen
- B.
Oxygen
- C.
Carbon-dioxide
- D.
Chlorine
- 5.The state of matter which can be compressed easily
- A.
Solid
- B.
Liquid
- C.
Gas
- D.
None of these
- 6.Tearing of paper is a
- A.
Physical and reversible change
- B.
Physical and irreversible change
- C.
Physical and desirable change
- D.
Physical and undesirable change
- 7.Ammonium Chloride , a sublime solid undergoes[Blank] on heating.
- 8.During a chemical change the [Blank] of the original substance is not altered.
- 9.Separation of naphthalene from a mixture of naphthalene and sodium chloride is a[Blank]
- 10.The aroma of boiling milk can be felt from outside due to[Blank]
- 11.The density of [Blank] as a liquid is more than iron.
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Sample QuestionWhat is the other name of condensation?
La siguiente herramienta es utilizada para ayudar a conocer los conocimientos
del postulante.Los datos aquí relevados, así como también los que
figuran en su currículo, tienen carácter de declaración veraz de sus...
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