A class of organic compounds that contain an oxygen between two alkyl groups is called:

Which element’s atomic number in the periodic table is named seaborgium, according to the notation of IUPAC nomenclature?

Which of the following is a synthetic fluorinated compound with an extremely stable molecular structure known to be the most potent greenhouse gas ever found?

The valency of argentic is:

Which of the following organic compounds is synonymous with olefiant gas which is used to make anaesthetics, refrigerants and other chemicals?

In Which year did John Newlands propound the ‘Law of Octaves’ an innovative concept proposing the periodicity of chemical elements arranged in the order of atomic weight?

Identify the last element from the fifth period.

Which organic compound has a pleasant almond aroma that is commonly used to impart almond flavour to chocolate and baked goods?

Identify the correct statement about Newlands’ law of octaves.

Which of the following group elements are called chalcogens?

Which of the following acids makes up 55—80% of olive oil, making it a good choice for most cooking methods?

What is the name of a metallic radioactive transuranic element with atomic number 101 in the actinide series, discovered in 1955?

Who found = an relationship between the half-life of empirical alpha decay and the energy of the emitted alpha particles in 1911?

In the early 1800s, who discovered that each chemical element is made up of a unique type of atom and that atoms differ by their mass?

Dry ice, ammonium chloride, naphthalene balls and camphor, all these compounds are an example of:

Identify the element that does NOT belong to Period 6 of Modern Periodic Table.

Lanthenides are often called:

Which suffix is used when the —CHO group is attached to a carbon atom of a ring or ring system, or to a heteroatom?

What is the colour of the flame when unsaturated hydrocarbons burn?

As per physicists and their major contributions/discoveries, which of the following pair is INCORRECT?

In which year did Antoine Lavoisier ‘Methods of Nomenclature’, which included the rules publish Chemical for naming chemical compounds. that are still in use today?

Choose the correct set of the names for the organic compounds in the given figure.

Which actinide, discovered by Glenn T Seaborg in 1940, is used as a heat source for sensitive electrical components in satellites as well as a power source for satellites?

A natural process of mechanical disintegration and = or chemical decomposition of the rocks of the crust of the Earth by certain physical and chemical agencies of the atmosphere is known as:

The compound in which a hydroxy group, -OH, is attached to a saturated carbon atom which has two other carbon atoms attached to it is called:

The characteristic garlicky odour of garlic is due to:

When did Dmitri Mendeleev invent the periodic table, ordering the symbols of the chemical elements according to their atomic weights?

Ethanoic acid is a synonym for which acidic liquid is used in kitchens around the world as a basic seasoning in the preparation and cooking of certain foods?

Which is the oldest aluminium refinery plant in India?

Which of the following pair of compound — melting point is correct?

I. Acetic acid — 290K
Il. Ethanol -156K