Which metal can produce dihydrogen gas by reaction with dil. H₂SO4?
-
- Ag
- Cu
- Fe
- Pt.
Submitted by :- Muhammad Nawaz
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
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Dolomite is a carbonate of which of the following?
-
- Na and Ba
- Ca and Mg
- K and Ca
- Mg and Sr
Submitted by :- Muhammad Nawaz
What is the composition of Witherite?
[A] BaSO4
[B] BaCO3
[C] SrSO4 [D] MgSO3Submitted by :- Muhammad Nawaz
Which of the mentioned gas is lightest?
[A] Dihydrogen
[B] Helium [C] Dinitrogen [D] DioxygenSubmitted by :- Muhammad Nawaz
Dolomite is a mineral whose formula is
[A] CaCO3
[B] MgCO3
[C] CaCO3.MgCO3
[D] CaSO4Submitted by :- Muhammad Nawaz
Glucose and fructose give same type of reactions:
[A] with phenyl hydrazine
[B] with Fehlings Solution
[C] with Tollens Reagent
[D] All of these
Submitted by :- Muhammad Nawaz
When sucrose is heated with concentrated nitric acid the product is:
[A] Saccharic acid
[B] Oxalic Acid
[C] Carbonic Acid [D] Formic AcidSubmitted by :- Muhammad Nawaz
What are the constituents of the structure of ‘Agar’, the common culture medium for microbes in the laboratory?
- D-Glucose derivative and L-Galactose
- D-Mannose derivative and D- Galactose
- D-Galactose and an L-Galactose derivative
- An L-Mannose derivative and D-Galactose
Submitted by :- Muhammad Nawaz
Which of the mentioned substances belong to complex biomolecules?
- Lipids
- Carbohydrates
- Proteins
- All
Submitted by :- Muhammad Nawaz
Shorter polymers are known as______
- Monomer
- Oligomers
- Dimers
- Tetramers
Submitted by :- Muhammad Nawaz