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CBSE Class 10 Answered

how to find the valency of so4
Asked by tanujlavaniya123 | 19 May, 2020, 05:44: PM
answered-by-expert Expert Answer
Sulphate ion SO42- carries charge of -2 hence it has valency 2.
Answered by Ramandeep | 20 May, 2020, 07:00: PM
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CBSE 10 - Science
2md question
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Asked by hemchandvadde | 14 Apr, 2024, 04:12: PM
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CBSE 10 - Science
what is the role of acid in our stomach
Asked by sony.lucky455 | 02 Apr, 2024, 03:23: PM
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CBSE 10 - Science
hi
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Asked by singhsagar42111 | 20 Mar, 2024, 07:22: PM
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CBSE 10 - Science
Maharashtra State Board Exam Class 10 Physics (2024) The SI unit of heating is _____________ (A) Calorie   (B) Joule (C) Kcal/kg  ºC (D) Cal/g ºC
Asked by sagarmishra | 18 Mar, 2024, 04:10: 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
An electric refrigerator rated 1 kW operates 6 hours daily. What is the cost of the energy to operate it for 15 days at rate of ₹ 3.00 per kWh?
Asked by kmannatpreet4 | 21 Feb, 2024, 07:34: PM
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CBSE 10 - Science
four wires of each 0f the same length diameter and material are connected to form a square,If the resistance of each wire is R.then equivalent resistance accross the opposite corner is
Asked by umaambiger87 | 08 Feb, 2024, 03:28: PM
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CBSE 10 - Science
Soaps and detergents are both types of salts. Stare the difference between the hws. Write the mechanism of the cleansing action of soups. Why de soaps not form lather (foam with hard water? Mention any wo problems that arise due to the war of detergents instrad of soaps
Asked by pvasanth3573 | 07 Feb, 2024, 10:13: PM
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CBSE 10 - Science
difference between saturated and unsaturated hydrocarbon
Asked by samirankarmakar2702 | 07 Feb, 2024, 09:59: PM
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