match the following
Answers
Answers:
i) Lactobacillus - setting of curd
Lactobacillus is a bacteria that causes curding of items made from milk like cheese, yogurt and curd itself. It is a friendly organism that fights enemy organisms.
ii) A protozoan - causing malaria
Protozoa is a type of microorganism that causes diseases like dysentery and malaria.
iii) Teflon - used to make non stick cookware
Cookware usually have a coating of Teflon, to which water and oil do not stick. This non-sticking property of Teflon is helpful to make spacesuits and water resistant clothing.
iv) Nylon - Used for making parachutes
Nylon is a fully synthetic fibre that is so strong it is used for making things from toothbrushes to parachutes.
v) Carbon - highest calorific value
Calorific value refers to the quantity of heat energy in a substance, so carbon is said to have the highest calorific value.
vi) Mercury - thermometer
Thermometers have a metal called mercury which is liquid at room temperature. It is a good conductor of heat, so it expands upon heating, fulfilling the purpose of the thermometer.
vii) Pennsylvania - world's first oil well
The Drake Well is the world's very first oil well, dug by Edwin Drake in Titusville, thus leading to the start of petroleum industry in Pennsylvania
viii) Coke - used in extraction of metals.
Coke is often used as a substance to extract metals, and a fuel.
ix) CNG - fuel
CNG, which stands for Compressed Natural Gas, is a highly important fuel since it does not cause air pollution even when burnt.
x) Blue zone of flame - hottest
The blue zone of flame is the outer zone of flame, which has the highest temperature in comparison to the other zones.
Answer:
Explanation:
i) Lactobacillus - setting of curd
Lactobacillus is a bacteria that causes curding of items made from milk like cheese, yogurt and curd itself. It is a friendly organism that fights enemy organisms.
ii) A protozoan - causing malaria
Protozoa is a type of microorganism that causes diseases like dysentery and malaria.