Sure-Learning: Smart Learning and online Tuition Service
Your Child Deserve A Smart Guidance
infosurelearning@gmail.com
Login

Enhance your Skills with Online Quiz Practice

Read More

Start Testing Your Skills

41. Which gas is responsible for the formation of acid rain when it reacts with water vapor in the atmosphere?
a. Oxygen
b. Nitrogen
c. Carbon dioxide
d. Sulfur dioxide

Answer: d. Sulfur dioxide



42. What is the layer of the atmosphere where weather satellites are typically placed?
a. Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere

Answer: b. Stratosphere



43. Which gas is essential for the process of combustion (burning)?
a. Oxygen
b. Nitrogen
c. Carbon dioxide
d. Hydrogen

Answer: a. Oxygen



44. What is the name of the process where water droplets in the air freeze and form ice crystals?
a. Evaporation
b. Condensation
c. Freezing
d. Precipitation

Answer: c. Freezing



45. Which layer of the atmosphere contains the ozone layer, which protects living organisms from harmful UV radiation?
a. Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere

Answer: b. Stratosphere



46. What is the instrument used to measure temperature in the air?
a. Thermometer
b. Barometer
c. Hydrometer
d. Anemometer

Answer: a. Thermometer



47. Which gas is responsible for the formation of smog in urban areas?
a. Oxygen
b. Nitrogen
c. Carbon dioxide
d. Ozone

Answer: d. Ozone



48. What is the layer of the atmosphere where the ozone layer is found?
a. Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere

Answer: b. Stratosphere



49. What is the process of water vapor changing directly into ice without becoming a liquid?
a. Evaporation
b. Condensation
c. Sublimation
d. Precipitation

Answer: c. Sublimation



50. Which gas is responsible for the unpleasant odor of rotten eggs and is often found in swampy areas?
a. Oxygen
b. Nitrogen
c. Methane
d. Hydrogen sulfide

Answer: d. Hydrogen sulfide



Continue First Page..

Recently Asked Questions

Learn New Vocabulary

Word:  avarice

Meaning: extreme greed for material wealth

Sentences: The old man's fears were assailed with threats, and his avarice was approached by bribes, and he very soon capitulated.Abbott, John S. C. (John Stevens Cabot)

Learn More

Facts of Science

Do you know ?

Fact: The human brain is more active during sleep than during the day when awake.

Facts of Digital World

Do you know about Space Internet ?

Companies like SpaceX aim to provide global internet coverage through satellite constellations, such as Starlink.