1).The number of gram equivalents of a solute dissolved per liter of solution is
2).'M' is the molecular mass of KMnO4. The equivalent weight of KMnO4when it is converted into K2MnO4 is
3).Normality of 2M H2SO4 is
4). The solution of sulphuric acid contains 80% by weight of H2SO4. Specific gravity of this solution is 1.71.Its normality is about
6). The indicator used in the titration of iodine against sodium thiosulphate is
7). Indicators used in acid base titration are
8). Which indicator can be used in the titration of strong acid and strong base?
9). The indicator used in titration of oxalic acid with caustic soda is
10). Methyl orange gives red colour in
11). The range of phenolphthalein as an indicator is in between PH
12). Starch can be used as an indicator for the detection of traces of
13). In the reaction NaOH + H3PO4 --------->NaH2PO4 + H2. The equivalent weight of phosphoric acid(H3PO4) is
14). Equivalent weight of an acid is equal to
15). The pink colour of phenolphthalein in alkaline medium is due to
16).Approximately atomic weight of an element is 26.89. If its equivalent weight is 8.9,the exact atomic weight of element would be
17). Acidified potassium permanganate solution is decolourised by
18). If M is molecular weight of KMnO4, equivalent weight of KMnO4 in acidic medium is
19). When KMnO4 is reduced with oxalic acid in acidic medium the oxidation number of Mn changes from?
20). 0.16g of dibasic acid required 25 ml of decinormal NaOH solution for complete neutralization. The molecular weight of the acid will be
21). 74.5 gm of a metallic chloride contains 35.5 gm of chlorine, the equivalent weight of the metal is
22). If the wt. of metal and chlorine in a metal chloride is in the ratio of 1:2, the equivalent weight of the metal is
23). When volume of water is to be added to 150 ml of 0.2 N Na2CO3 solution to make it 0.05 N ?
24). The volume of 0.1 M H2SO4 that is needed to completely neutralize 40 ml of 0.2 M NaOH is
25). The normality of 10% NaOH solution is
26). 0.4 gm of NaOH is added to 10 ml of 1N HCl, the resulting solution is
27). When 50 ml of HCl reacts with 10 gm of CaCO3, normality of the solution is
28). 0.45 gm of acid of molecular weight 90 was neutralized by 20 ml of 0.5N caustic potash. The basicity of the acid is
29). How much NaOH is required to neutralize 1500cm3 of 0.1NHCl?
30). 200 ml of 0.2 M HCl is neutralized with 0.1 M NaOH. Then during their half neutralization, what will be the molarity of HCl?
2M Na2CO3 is equal to its normality