Methyl ethyl ketone is also known as ____.

In 1784, who discovered the composition of water through his experiment with hydrogen and oxygen?

Which of the following is the most widely used method for refining impure metals?

Which of the following is NOT a food preservative?

In alchemy, aqua fortis is the classical name of which chemical compound that is used chiefly in the manufacture of explosives and fertilisers, and in organic synthesis?

Which of the following elements is a member of the actinoid series?

Which of the following is a primary arylamine in which an amino functional group is substituted for one of the benzene hydrogens?

Which of the following options are homogeneous mixtures?

What is the chemical formula for the aldehyde group?

Which scientist synthesised an organic compound, urea, from an inorganic compound, ammonium cyanate?

Which odourless, colourless, tasteless and chemically unreactive gas was invented by Daniel Rutherford in 1772 and was independently isolated at the same time by CW Scheele and H Cavendish?

Which compound structure includes a saturated short-chain fatty acid with 4- carbon molecules, commonly found in esterified form in animal fats and plant oils?

In which process is a solid substance volatilised by heating and the vapour is condensed back to the solid at a cold surface?

Identify an anomaly element that belongs to both group 1 and group 17.

Which element of the boron family has a high boiling point, making it ideal for recording temperatures that would vaporise a thermometer?

In 1932, who discovered the positron, a particle described as ‘carrying a positive charge but having a mass of the same order of magnitude as that normally possessed by a free negative electron’?

What is the name of the 1,3-isomer (or meta-isomer) of benzenediol with the chemical formula C6H4(OH)27?

Which of the following scientists provided the Law of Octaves?

Which chemical element of Group 18 of the periodic table is produced by the natural radioactive decay of uranium in soils and rocks?

Which radioactive element with atomic number 43 in the modern periodic table is unstable, and the half-lives of all its isotopes are relatively short, from 4.2 million years to 5.0 s?

From the given options, choose the one which is NOT a product of the decomposition reaction of Lead nitrate.

The preferred IUPAC name of Allyl bromide is ____.

Which of the following statements is correct?