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ICSE Class 10 Answered

number of hydrogen atoms in 0.25 mole in h2so4  
Asked by dqroshan049 | 08 May, 2019, 08:49: PM
answered-by-expert Expert Answer
1 space m o l e space o f space H subscript 2 S O subscript 4 space equals space 2 cross times 6.023 cross times 10 to the power of 23 space H space a t o m s S o comma space 0.25 space M o l e s space equals space 0.25 cross times space 2 cross times 6.023 cross times 10 to the power of 23 space H space a t o m s space equals space 3.011 cross times 10 to the power of 23 space H space a t o m s.
Answered by Sumit Chakrapani | 09 May, 2019, 12:14: AM

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ICSE 10 - Chemistry
नाइट्रोजन हाइड्रोजन गैस से संयोग करके अमोनिया बनाए
Asked by tk5363508 | 01 Apr, 2024, 08:36: PM
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ICSE 10 - Chemistry
Name the main metal used in the making of the alloys of- 1. Duralumin 2. Stainless steel
Asked by sheetal.kolte | 12 Mar, 2024, 10:14: AM
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ICSE 10 - Chemistry
Arrange the following as per the instructions given in the brackets (a) Carbon, Fluorine, Beryllium (decreasing order of atomic size) (b) Sulphuric acid, Phosphoric acid, Acetic acid (increasing order of number of replaceable H atoms per molecule) (c) Potassium, Lithium, Sodium (increasing order of ionization potential)
Asked by sagarmishra | 12 Mar, 2024, 09:48: AM
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ICSE 10 - Chemistry
Unsaturated hydrocarbons undergo: (a) Addition reaction (b) Substitution reaction (c) Oxidation reaction (d) Redox reaction
Asked by anubhutiupadhaya | 11 Mar, 2024, 06:40: PM
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ICSE 10 - Chemistry
Rewrite the following statements by adding the correct word as shown in the example: Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. (a) Sulphuric Acid acts as a dehydrating agent. (b) Ammonia reacts with chlorine to give ammonium chloride and nitrogen.  
Asked by sagarmishra | 11 Mar, 2024, 06:36: PM
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ICSE 10 - Chemistry
how nitrogen molecule is form
Asked by vijayvijay09644 | 06 Mar, 2024, 10:37: PM
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ICSE 10 - Chemistry
please answer this question
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Asked by ruchisharmatbn | 05 Mar, 2024, 06:40: PM
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ICSE 10 - Chemistry
according to adsorption theory of catalysis, the speed of reaction increase because
Asked by ruchisharmatbn | 03 Mar, 2024, 07:07: PM
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ICSE 10 - Chemistry
aqueous solution of copper sulphate turns colourless on electrolysis. Which of the following could be the electrodes? P. anode: copper; cathode: copper Q. anode: platinum; cathode: copper R. anode: copper; cathode: platinum
Asked by naaimahhaq | 17 Feb, 2024, 10:54: AM
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ICSE 10 - Chemistry
calculate the ratio between the volume of gaseous products formed on catalytic oxidation of 500ml of ammonia according to equation
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Asked by kundus458 | 07 Feb, 2024, 08:55: AM
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