A. Ammonia
B. Nitrous oxide
C. Freon
D. CO2
Submitted by: waqas shah
Correct Answer: Freon ✔
Last Updated: December 05, 2019
Related MCQs
- What is the one of the other name of Vitamin “A”?
- Which of the following gland has shape of butterfly?
- Another name of vitamin C is__________?
- Which of following is the smallest endocrine gland in the human body?
- Which gas is used to extinguish fire?
- __________ gas is released when coal is burnes in ln lack of Oxygen?
- Fan was invented by__________?
- According to which law gas is directly proportional to temperature?
- Who said that light is made of corpuscles/particles?
- Who discovered blood circulation?
- Who invented steamboat?
- Other name of white blood cells is __________?
- Other name of platelets _______?
- Other name of red blood cells is __________?
- Albert Einstein was a__________?
- Bubo bubo is the scientific name of which of the following species?
- Which of the following flower is called Queen of Water?
- What is the largest flower in the world?
- How many latitude lines are there?
- Who is the known as the father of taxonomy?
- Which of the following is a currency of Body cells?
- Which of the following acid is used in Ink?
- How is ammonia synthesized?
- Which of the following science is considered “mother of all sciences”?
- Which of the following letter does not represent in periodic table?
- There is a hole in the Ozone Layer at__________?
- Wisdom teeth normally grow between the age of__________?
- Chronometer is invented by________?
- Which is the purest form of water?
- Animals use nitrogen in the form of_________?
- Dinosaurs and many other species were extinct about ________ years ago.
- The biggest planet in solar system is _____ and having _____ moons?
- Edward Genner discovered ‘vaccine’ in__________?
- speed of sound in dry air at 20 °C is__________?
- Sound travels about __________times faster in water than in air.
- Nervous system includes which of these major components?
- The lenses are used for the correction of:__________?
- Water has been discovered on which potentially habitable super-Earth ?
- The Saturn rings discovered by__________?
- The Planet which revolves slowly around the Sun is__________?
- The “Rising” of the “evening star” indicates the direction of the__________?
- Reptiles hibernate during_______?
- Which of the following plants are called arthrophytes?
- Apiculture refers to__________?
- Ring planet is Saturn; least dense and 2nd largest planet is_________?
- The most dense and heaviest planet is__________?
- Guava has the maximum amount of which Vitamin?
- Black gold is an oil; Black diamond is_________?
- Trypsin is an enzyme which digests protein produced by__________?
- Biopsy is done on tissues taken from__________?
- Liver uses which vitamin for creating new Red Blood cells?