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Practical Chemistry Mock Tests

30 questions available

Practical Chemistry Mock Test 1

Questions: 30

नमूना प्रश्न

NEET Chemistry
In acid-base titration, which indicator is most suitable for titrating a strong acid against a weak base?
A Methyl orange
B Phenolphthalein
C Methyl red
D Thymol blue
NEET Chemistry
In a titration, 25 mL of 0.1 M HCl is completely neutralized by NaOH. The volume of 0.1 M NaOH required is:
A 12.5 mL
B 25 mL
C 50 mL
D 75 mL
JEE Main Chemistry
In the titration of oxalic acid against KMnO₄, the medium should be:
A Alkaline, using NaOH
B Neutral
C Acidic, using dilute H₂SO₄
D Acidic, using dilute HCl
JEE Main Chemistry
In the qualitative analysis of cations, H₂S gas is passed through an acidic solution containing metal ions. Which of the following precipitates as a yellow insoluble sulphide?
A CuS
B CdS
C ZnS
D PbS
NEET Chemistry
In the qualitative analysis of cations, H₂S gas is passed through an acidic solution containing Cu²⁺, Zn²⁺, and Mn²⁺. Which sulfide precipitates first?
A CuS
B ZnS
C MnS
D All precipitate simultaneously
NEET Chemistry
In a titration, 25 mL of 0.1 M NaOH is completely neutralized by 20 mL of HCl. What is the molarity of the HCl solution?
A 0.125 M
B 0.08 M
C 0.1 M
D 0.2 M
JEE Main Chemistry
The volume of 0.1 N HCl required to neutralize 10 mL of 0.2 N NaOH is:
A 5 mL
B 10 mL
C 20 mL
D 40 mL
JEE Main Chemistry
Which of the following ores is best concentrated by the froth flotation method:
A Hematite (Fe₂O₃)
B Magnetite (Fe₃O₄)
C Galena (PbS)
D Calamine (ZnCO₃)

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