JK2001

Cell was discovered by

Cell was discovered by Options (a) Robert Brown (b) Robert Hooke (c) Camello Golgi (d) none of these Correct Answer:…

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…

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…

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⁺…

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…

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…

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)…

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…

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…

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…