Evidence of this dates back to more than 2000 years and was noticed in Indus Valley civilisation in India and in the Babylonian civilisation.​

It comes from a Dutch word which means Salt and is the process of immersing fresh fruits or vegetables in an acidic liquid or brine until they are no longer considered raw or at risk of spoilage. It was considered the best way to preserve food for a long period of time.​

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This was a result of contributions by various scientists. However, it is said that the modern version of it was a result of a dream that a Russian chemist had.​

While other sources say that he was inspired by the grouping of cards into columns in the game ‘Solitaire’, which led him to come up with this system that is still used today. What did he devise?​

The evidence of this has been found in ancient Egypt and in the Roman Empire. ​

It is Made by a process called saponification of fats and essential oils with Sodium Hydroxide. This chemical compound when dissolved in water, has the ability to remove dirt from human skin, textiles etc.​

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Chloroxylenol is an antiseptic and disinfectant.​

It is on the World Health Organisation’s list of essential medicines and is used in hospitals and households alike. By what brand name would you better know this chemical compound?

This is a soft, white, fine grained variety of limestone that is composed of calcium carbonate.​

 When mixed with other minerals it is used to manufacture a writing instrument that also shares its name with this type of rock. What are we talking about?

This is made by diluting acetic acid in water and is mainly used as a cooking ingredient or in pickling. It can also be produced from apples, raisins and fermented coconut water.​

It comes from the French word ‘vin’ and ‘aigre’ which means ‘wine’ and ‘sour’ respectively.​

What is this condiment, that is added to salads to enhance its flavour?

Often called a careless lab technician, this physician and microbiologist accidentally left a petri dish of bacteria on his table and went on a vacation.​

Upon returning he noticed that mould or fungus had grown in it which had destroyed the bacteria around it.​

He named it _____ as it looked like a painter’s brush under a microscope.​

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This famous scientist is said to have died from a rare condition linked to high levels of exposure to radioactivity from her famed discoveries, the elements Polonium and Radium.​

It was so much that when she died, she was buried in a coffin lined with an inch of lead. Years later, her personal belongings are stored in lead boxes, and direct contact with them is prohibited. ​

Who is she who has won a Noble Prize in both Chemistry and Physics?​

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This mineral is composed primarily of Sodium Chloride (NaCl) and is primarily used for seasoning and in preservation.​

It was so valuable that at one point of time the salaries of the Roman soldiers were paid with it.​

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