Cell was discovered by
Cell was discovered by Options (a) Robert Brown (b) Robert Hooke (c) Camello Golgi (d) none of these Correct Answer:…
5 years ago
JK2001
Cell theory was proposed by
Cell theory was proposed by Options (a) Robert Hooke (b) Schleidan and Schwann (c) Robert Brown (d) none of these…
5 years ago
Measurement of the dry gas from the volume of moist gas is based on
Measurement of the dry gas from the volume of moist gas is based on Options (a) Boyle's law (b) Avogadro's…
7 years ago
If a given sample of water contains 0.06 g of Ca²⁺ ion per kg, calculate
If a given sample of water contains 0.06 g of Ca²⁺ ion per kg, calculate the ppm level of Ca²⁺…
7 years ago
Calculate the amount of [Ca(OH)₂] required to remove the hardness of water
Calculate the amount of [Ca(OH)₂] required to remove the hardness of water from 60,000 litres containing 16.2 g of Ca(HCO₃)₂…
7 years ago
Which reagent can be used for the alkylation of aromatic nitro compounds
Which reagent can be used for the alkylation of aromatic nitro compounds Options (a) Methyl-sulfinyl carbanion (b) Methyl-iodide (c) Dimethyl-sulphate…
7 years ago
The diazotization of two feebly basic aromatic amines is achieved by using
The diazotization of two feebly basic aromatic amines is achieved by using Options (a) nitrous acid (b) nitrosyl-hydrochloric acid (c)…
7 years ago
What is the product of the reduction of a carboxylic ester using a reagent
What is the product of the reduction of a carboxylic ester using a reagent prepared from BF₃-etherate and LiAlH₄ Options…
7 years ago
Which of the following is expected not to yield a white precipitate
Which of the following is expected not to yield a white precipitate with silver nitrate Options (a) [Co(NH₃)₃Cl₃] (b) [Co(NH₃)₄Cl₂]Cl…
7 years ago
which of the following non-metal possesses the atomicity double than that
which of the following non-metal possesses the atomicity double than that of phosphorus Options (a) Oxygen (b) Sulphur (c) Nitrogen…
7 years ago