Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?
(b) Write down word equations of all the reactions taking place in this process.
ᴛᴜᴍ ᴋɪᴅᴀʀ ᴛʜᴇ ᴍᴀɪ ᴛᴏ ʏʜɪ ᴛʜɪ..
(￣へ ￣)
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Dᴇᴛɪ Hᴜ Lᴜᴋ...Dᴀʏᴀɴ
Sound needs a material medium for their propagation like solid, liquid or gas to travel because the molecules of solid, liquid and gases carry sound waves from one point to another. Sound cannot progress through the vacuum because the vacuum has no molecules which can vibrate and carry the sound waves.
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Answer:
hlo bhabhi ji
kese ho aap
Explanation:
It began after the stock market crash of October 1929, which sent Wall Street into a panic and wiped out millions of investors. Over the next several years, consumer spending and investment dropped, causing steep declines in industrial output and employment as failing companies laid off workers.
https://www.history.com › topics
Great Depression: Black
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