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CBSE Class 10 Answered

chemical colours
Asked by aftab3609 | 09 May, 2022, 05:48: PM
answered-by-expert Expert Answer
Colors of chemicals varies according to wavelength.
 
Lowest wavelength: violet, indigo, blue, green, yellow, orange, red: highest wavelength
Answered by Ravi | 09 May, 2022, 06:49: PM
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CBSE 10 - Science
when hydrogen gas burns in presence of oxygen then water is formed and when water is electrolysed then hydrogen and oxygen gases are produced . state which type of reaction takes place
Asked by srinivasansriharinia9 | 01 Mar, 2024, 08:17: PM
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CBSE 10 - Science
Red brown gas is release along with oxygen and lead oxide on heating lead nitrate it is example of which reaction
Asked by muskanprayagraj78 | 26 Feb, 2024, 05:44: PM
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CBSE 10 - Science
why are ions exchanged in double displacement reaction
Asked by technicalbeta720 | 13 Dec, 2023, 07:44: AM
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CBSE 10 - Science
when magnesium ribbon is burn in oxygen a gas is release so why we don't write the gas in product
Asked by latayadav23 | 14 Oct, 2023, 12:21: PM
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CBSE 10 - Science
Which of the following gives on heating? (a) Slaked (b) Quick lime (c) Lime stone (d) Soda ash.
Asked by labheshvaidya | 28 Jul, 2022, 04:31: PM
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CBSE 10 - Science
anions cation
Asked by saailakzhmi | 15 Jul, 2022, 09:32: PM
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CBSE 10 - Science
chemical colours
Asked by aftab3609 | 09 May, 2022, 05:48: PM
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CBSE 10 - Science
Explain what is observed when you place a slide under a microscope with yearpling little of sugar solution to which yeast is added?
Asked by deshmukhparth2007 | 08 Apr, 2022, 11:39: PM
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CBSE 10 - Science
Write the chemical equation of the reaction in which the following changes have taken place with an example of each: (i) Change in colour (ii) Change in temperature (iii) Formation of precipitate
Asked by pachchigarkeyur | 08 Mar, 2022, 12:05: PM
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CBSE 10 - Science
Name the reducing agent in the following reaction: 3MnO2 + 4Al———— > 3Mn + 2Al2O3 State which is more reactive, Mn or A1 and why?
Asked by pachchigarkeyur | 08 Mar, 2022, 12:03: PM
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