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Wednesday, July 18, 2012

MCQ: Fill in the blanks: Acid base and salt d salt


 MCQ 
Fill in the blanks:  Acid base and salt d salt       
1.       
The substances whose aqueous solution change the blue litmus to red ------------------Acids
2.       
The substances having a tendency to lose one or more protons are called: ------------   Acids
3.       
The substances which donate the pair of electrons for bond formation, are known as:-------     Base
4.       
When equivalent quantities of acid and base are mixed, salt and water are formed, the reaction is termed as:----------- Neutralization
5.       
The acids which contain one acidic hydrogen are called:-------- Mono-protic
6.       
The number of acidic hydrogen atoms present in a molecule of an acid is called: ----  Basicity
7.       
The number of replaceable [OH] ions present in a molecule of base, is called: ---    Acidity
8.       
An acid that produces large number of (H) ions in aqueous solution is called: ---------Strong acid
9.       
An ionic compound, that is formed when an acid neutralizes a base, is called:------ Salt
10.   
SaIts that formed by the reaction of strong acid with weak base are:----Acidic
11.   
Alums are example of  ---------salt:               Double salts
12.   
The formula of Washing Soda is                                                  NaCO 6HO
13.  
Acids are the substances which give H+ ions aqueous solution, is the concept of:   Arrhenius
14.   
Arrehenius theory of acid-base is not applicable in:     non — aqueous solution
15.   
According to the Arrhenius concept, the strength of acid or base is based on their:   --------
a. rates of ionization          b. rates of dissociation
     16
According to Bronsted — Lowry concept, a base is a substance which acts as:      a proton acceptor(NH)

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