What is the oxidation number of Co in [Co(NH₃)₄Cl(NO₂)]
What is the oxidation number of Co in [Co(NH₃)₄Cl(NO₂)] Options (a) 4 (b) 3 (c) 2 (d) 5 Correct Answer:…
7 years ago
BHU1999
The waxes are long chain compounds of fatty acids, which belong to the class of
The waxes are long chain compounds of fatty acids, which belong to the class of Options (a) alcohols (b) ethers…
7 years ago
Which of the following explains the sequence of filling the electrons
Which of the following explains the sequence of filling the electrons in different shells Options (a) Aufbau principle (b) Hund's…
7 years ago
To prepare a pure sample on n-hexane using sodium metal as one reactant, the
To prepare a pure sample on n-hexane using sodium metal as one reactant, the other reactant or reactants will be…
7 years ago
The pollutants released by jet planes are
The pollutants released by jet planes are Options (a) fogs (b) smogs (c) colloides (d) aerosols Correct Answer: aerosols Explanation:…
7 years ago
Which of the following structure regulates the entrance and exit of molecules
Which of the following structure regulates the entrance and exit of molecules into and out of the cytoplasm? Options (a)…
7 years ago
Bone marrow is absent in
Bone marrow is absent in Options (a) fishes (b) birds (c) reptilia (d) amphibia Correct Answer: birdsExplanation:No explanation available. Be…
7 years ago
In hilly areas, erosion is minimised by
In hilly areas, erosion is minimised by Options (a) Terracing (b) Manuring (c) Ploughing (d) Mixed cropping Correct Answer: TerracingExplanation:No…
7 years ago
Antibiotics are mostly got from
Antibiotics are mostly got from Options (a) Fungi (b) Actinomycetes/Bacteria (c) Fungi & Actinomycetes/Bacteria (d) Cyanobacteria Correct Answer: Fungi &…
7 years ago
Active immunity means
Active immunity means Options (a) resistance developed after disease (b) resistance developed before disease (c) increasing rate of heart beat…
7 years ago