Analytical Chemistry Dalal Simplified ICSE Chemistry Class-10 Solutions. Dalal Simplified ICSE Chemistry Analytical Chemistry by Dr Viraf and J Dalal for Class 10. Step by step Solutions of Analytical Chemistry by Dr Viraf and J Dalal of Concept of Simplified Dalal ICSE Chemistry.
Analytical Chemistry Dalal Simplified ICSE Class-10
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Analytical Chemistry Dalal Simplified ICSE
Question 1.
Salts of…………… (normal / transition) elements are generally coloured. From the ions K,+, Cr3+, Fe2+, Ca2+ So32-, Mno41-, No31- the ions generally coloured are
Answer:
Normal; Cr3+, Fe2+, Mno41
Question 2.
The hydroxide which is soluble in excess of NaOH is [Zn(OH)2 / Fe(OH)3 / Fe(OH)2]
Answer:
Zn(OH)2
Question 3.
The salt which will not react with NH4OH solution [ZnCl2/CuCl2/NH4 Cl/FeCl2]
Answer:
NH4Cl
Question 4.
The substance/s which react/s with hot cone. NaOH soln. and undergoes a neutralization reaction…………….. [Al203/Al/Al(OH)3]
Answer:
Al203
Question 5.
To distinguish soluble salts of zinc and lead, ……………….[NaOH/NH4OH] can be used.
Answer:
NaOH
Question 6.
Oxides and hydroxide of certain metals i.e………… (iron/ zinc/copper/aluminium/magnesium/Iead] are amphoteric and react with……………[acids/alkali/acids and alkalis].
Answer:
zinc, aluminium and lead; acids and alkalis
Complete the following equations:
- MgCl2 + NH4OH→ ……… +………..
- Zn + NaOH → ……… +…….
- ZnO + NaOH → ……… +…………
- Al(OH)3 + KOH → …….. +………..
- Zn(OH)2 + NaOH (excess) → ………. + ………..
- Pb(No3)2 + NH4OH → …… + ………..
- Al2 O3 + KOH → ……. +…………
- FeCl3 + NaOH → ………+ ……….
Answer:
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