Physical Science

Correct Answer: A

Ozone is gas does a Photocopier machine produce. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Nitrogen gas is Gas is included in Fry Chips Packets for safety. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: D

Ethylene is gas is used for artificial ripening of green fruit. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: D

Carbon Dioxide is gas is used in preparation of Soda water. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: B

Carbon dioxide is Gas is used in the preparation of Soft drinks. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: C

Carbon Dioxide is gas is used to extinguish fire. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: D

Osmium is the heaviest metal. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Nitrogen is the most abundant element in the atmosphere. Its geographic position or physical characteristics account for the description given.

Correct Answer: A

Which is the most electro-negative element among the following Fluorine. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: C

Nitrous Oxide is the New & Most Important Culprit damaging the ozone Layer. This is based on the organism’s established anatomy, behavior, or biological classification.

Correct Answer: A

Chromium is metal is added to steel to make it stainless steel. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Uranium is metal is called metal of hope”. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: B

Magnesium is metal is extracted from sea water. Its geographic position or physical characteristics account for the description given.

Correct Answer: D

Gold is metal is non toxic in nature. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: C

Silver is metal is pure conductor of electricity. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: A

Mercury is metal known as quick silver. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: C

Lead is metal pollute the air of a big city. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: D

Tannic is acid is used in Ink. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: D

Copper, Tin and Zinc is the ingredients of gun metal. Its composition and chemical or physical behavior give it the stated classification or property.

Correct Answer: B

Capacitance is circuit elements is used to ‘block’ DC in an electronic circuit. Its composition and chemical or physical behavior give it the stated classification or property.