- 1(current)
Q. No.A 100 mL solution was made by adding 1.43 g of Na2CO3.xH2O. The normality of the solution is 0.1 M. The value of x is:
(The atomic mass of Na is 23 g/mol)
1. 1
2. 10
3. 4
4. 7
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe volume, in mL, of 0.02 M K2Cr2O7 solution required to react with 0.288 g of ferrous oxalate in an acidic medium is:
Molar mass of Fe = 56 g mol–1)
1. 55 mL
2. 45 mL
3. 50 mL
4. 60 mL
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology3 g of activated charcoal was added to 50 mL of acetic acid solution (0.06N) in a flask. After an hour it was filtered and the strength of the filtrate was found to be 0.042 N. The amount of acetic acid adsorbed (per gram of charcoal) is :
1. 18 mg
2. 36 mg
3. 42 mg
4. 54 mg
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe mass of potassium dichromate crystals required to oxidize 750 cm3 of 0.6 M Mohr's salt solution is:
(Given molar mass: potassium dichromate = 294, Mohr's salt = 392)
1. 0.45 g
2. 22.05 g
3. 2.2 g
4. 0.49 g
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. 1.0755
2. 2.3456
3. 6.0223
4. 3.1034
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology\({}\text{Molecular }\mathrm{Mass }~{of}\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_3=267.46 \mathrm{~g} / \mathrm{mol}\\ { }and ~ \mathrm{AgNO}_3=169.87 \mathrm{~g} / \mathrm{mol}\)
1. 12.36
2. 26.92
3. 8.973
4. 45.12
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology\(\begin{aligned} & \mathrm{NaClO}_3(\mathrm{~s})+\mathrm{Fe}(\mathrm{s}) \rightarrow \mathrm{O}_2(\mathrm{~g})+\mathrm{NaCl}(\mathrm{s})+\mathrm{FeO}(\mathrm{s}) \\ & \mathrm{R}=0.082 \mathrm{~L} \text { atm } \mathrm{mol}^{-1} \mathrm{~K}^{-1} \end{aligned}\)
1. 2130 gm
2. 106.5 gm
3. 4123 gm
4. 2912 gm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven: The density of nitric acid solution is 1.25 g/mL
1. 45
2. 55
3. 32
4. 40
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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