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CBSE Class 10 Answered

Why do gold and silver not corrode in moist air?
Asked by Kalita Padmanath | 29 Jul, 2014, 11:02: AM
answered-by-expert Expert Answer
Gold and silver are the least reactive metals in the rectivity series, hence can not bond with oxygen easily. Therefore they both can not get corroded easily.
Answered by Prachi Sawant | 30 Jul, 2014, 10:13: AM

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CBSE 10 - Chemistry
A chemical reaction in which exchange of ions occurs between the reactants, is known as: (A) Endothermic Reaction (B) Exothermic Reaction (C) Double Displacement Reaction (D) Displacement Reaction
Asked by sagarmishra | 04 Mar, 2024, 09:50: AM
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CBSE 10 - Chemistry
1) A single displacement reaction is represented below. PQ + R ----> PR + Q Which of the following is true about the reactants and products? Refer image for the TABLE (a) A (b) B  (c) C (d) D
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Asked by susrisangita792 | 17 Nov, 2023, 08:27: PM
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CBSE 10 - Chemistry
difference between displacement and double displacement reaction
Asked by pranavvarshansk_9a | 21 May, 2021, 12:06: PM
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CBSE 10 - Chemistry
10 differences between combination and displacement reaction  
Asked by Visheshsinghvi | 05 May, 2020, 05:54: PM
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CBSE 10 - Chemistry
Solutions of barium chloride and sodium sulphate in water react to give insoluble barium sulphate and the solution of sodium chloride
Asked by dheerajvp8055 | 05 May, 2020, 10:57: AM
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CBSE 10 - Chemistry
Are double displacement reactions endothermic  
Asked by Visheshsinghvi | 04 May, 2020, 06:43: PM
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CBSE 10 - Chemistry
definition of  thermal decomposition,electrolysis decomposition  and  photolytic reaction
Asked by jarugulaa | 28 Apr, 2020, 10:14: AM
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CBSE 10 - Chemistry
what is double displacement reaction explain in detail with example
Asked by rk92345383 | 19 Apr, 2020, 10:06: AM
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CBSE 10 - Chemistry
What happens when strip of lead metal is placed in solution of copper chloride. Write chemical reaction and changes observed
Asked by s6vsthigade1772004 | 18 Feb, 2020, 09:02: PM
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CBSE 10 - Chemistry
A solution of potassium chloride when mixed with nitrate solution forms insoluble white substance. Write chemical equation and type of reaction? 
Asked by s6vsthigade1772004 | 18 Feb, 2020, 09:00: PM
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