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What is Bromine?

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Tutorialspoint

Updated on 10-Oct-2022 09:37:40

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Free bromine is a reddish-brown liquid with an appreciable vapour pressure at room temperature.It is a non-metal.Bromine vapour is amber in colour. It has a pungent odour and is irritating to the skin, eyes, and respiratory system.Boiling point: 59 °C (138 °F)Specific gravity: 3.12 at 20 °C (68 °F)Melting point: −7.2 ... Read More

Explain carbon dioxide cycle.

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Tutorialspoint

Updated on 10-Oct-2022 09:37:40

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The carbon cycle is a biogeochemical cycle of conversion of carbon dioxide. In this cycle carbon gets interchanged in the biosphere, hydrosphere, atmosphere, and geosphere of the Earth. The conversion of carbon dioxide begins from the fixation of carbon dioxide in photosynthesis which results in the creation of carbohydrate and ... Read More

What does blood deliver?

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Tutorialspoint

Updated on 10-Oct-2022 09:37:40

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Blood is actually a tissue that is made up of red blood cells, white blood cells, platelets, plasma, and other components. The blood delivers oxygen and nutrients to all parts of the body and removes carbon dioxide and waste products from the body so that the body can keep working ... Read More

The weekly wages (in Rs.) of 30 workers in a factory are:
830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845, 804, 808, 812, 840, 885, 835, 835, 836, 878, 840, 868, 890, 806, 840.
Using tally marks make a frequency table with intervals as 800 - 810, 810 - 820 and so on....
Also draw the histogram for the frequency table made.

Tutorialspoint

Tutorialspoint

Updated on 10-Oct-2022 09:37:40

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Given: Weekly wages (in Rs.) of 30 workers. To do: Here we have to make a frequency table and also draw the histogram for the frequency table made. Solution: Taking intervals as 800 - 810, 810 - 820 and so on.... Frequency table of the given data: Wages ... Read More

Which of the following attaches itself to the body of the host and sucks its blood?(a) Leech (b) Millipedes (c) Centipedes (d) Butterfly

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Tutorialspoint

Updated on 10-Oct-2022 09:37:39

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Which organism attaches itself to the body of the host and sucks its blood?Ans- (a) Leech. Explanation- Leeches are worms that live in water or on land and need blood to grow and reproduce. They breathe through their skin.

What is total surface area of cuboid?

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Tutorialspoint

Updated on 10-Oct-2022 09:37:39

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Solution:The total surface area (TSA) of a cuboid is the sum of the areas of its 6 faces.A cuboid has six faces.Area of BFGC and AEHD {each} = $h \times l$Area of ABFE and CGHD {each} = $b \times h$Area of ABCD and EFGH (each )=$l \times b$Therefore, area of ... Read More

How is universe created?

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Tutorialspoint

Updated on 10-Oct-2022 09:37:38

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The universe was born with the Big Bang as an unimaginably hot, dense point. As space expanded, the universe cooled and matter formed. One second after the Big Bang, the universe was filled with neutrons, protons, electrons, anti-electrons, photons, and neutrinos 

Why Gold, Silver is present as a free state?

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Tutorialspoint

Updated on 10-Oct-2022 09:37:38

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Metals like Na, Ca, and Mg are very reactive metals, they react with oxygen even at room temperature.Therefore, they are never found in a free state in nature.Metals like Gold(Au) and Silver(Ag) are least reactive in nature and occupy bottom space in Reactivity series. They rarely react with any element ... Read More

Find the sum: 19782+9999

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Tutorialspoint

Updated on 10-Oct-2022 09:37:38

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To do: Find the sum.Solution:$19782 + 9999$= $(19782 -1)+ ( 1 + 9999 )$=$ 19781 + 10000$=$ 29781$

What are the differences between fertilization and syngamy?

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Tutorialspoint

Updated on 10-Oct-2022 09:37:38

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Fertilization is the process in which male sperm enters into the female egg. Whereas, syngamy is the fusion of male and female gametes to form a zygote.

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