What is the chemical formula for the aldehyde group?  [SICPO Paper I 2023]

Butan-2-ol is a: [Combined Graduate Level Examination Tier I 2023]

The chemical formula of propene is: [Combined Graduate Level Examination Tier I 2023]

Which organic compound has the structure R−COOH, with R referring to the alkyl, alkenyl, aryl, or other group? [Combined Graduate Level Examination Tier I 2022]

Which sulphur containing preservative is used to increase the shelf life of meat products such as fresh sausages and burgers? [Junior Engineer 2024 Electrical Paper I]

_______ is a naturally occurring organic compound with the formula (C6H5)2CO. [Combined Graduate Level Examination Tier I 2023]

Which of the following organic compounds is synonymous with olefiant gas which is used to make anaesthetics, refrigerants and other chemicals? [Combined Graduate Level Examination Tier I 2023]

Which of the following chemicals is also known as vinegar?
[Constable GD 2021]

Which of the following is an open chain organic compound? [SICPO Paper I 2024]

Which of the following chemicals is used as a preservative to slow browning and discolouration in foods and beverages during preparation, storage and distribution? [Combined Graduate Level Examination Tier I 2023]

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? [Combined Graduate Level Examination Tier I 2023]

Which organic compound has a pleasant almond aroma that is commonly used to impart almond flavour to chocolate and baked goods? [Combined Graduate Level Examination Tier I 2023]

What is the common name of CHCl3?  [CHSL 2021 Tier I]

Which of the following naturally occurring acids is present in ant sting? [MTS Non technical and Havaldar Examination 2021]

Lactic acid is commonly found in __________. [MTS Non technical and Havaldar Examination 2021]

Name an alkylbenzene widely used as a chemical intermediate in the production of phenol. [Combined Graduate Level Examination Tier I 2022]

Which sodium compound is the most popular additive to various items such as sauces, salad dressings and beverages for its preservative action? [Combined Graduate Level Examination Tier I 2023]

Which of the following acids is found in spinach? [MTS Non technical and Havaldar Examination 2021]

Which of the following is a colourless liquid whose formula is CHCl₃ which evaporates rapidly and turns into gas? [Junior Engineer 2024 Electrical Paper I]

What is the percentage composition of the element of H2SO3? [Combined Graduate Level Examination Tier I 2023]

Which of the following acids is injected into the skin during an ant bite?

[Constable GD 2021]

Which of the following is the most acidic? [Combined Graduate Level Examination Tier I]

Which of the following pair of compound – melting point is correct?
I. Acetic acid – 290K
II. Ethanol – 156K
[Combined Graduate Level Examination Tier I 2023]

One mole of Aluminium Sulphate Al₂(SO₄)₃ contains: [SICPO Paper I 2024]

What is the chemical formula of vinegar? [Combined Graduate Level Examination Tier I 2022]

What is the percentage composition of the element of H2SO3?

[SSC CGL 2023]

Ozone is a molecule made up of ______ oxygen atoms.

[SSC CGL 2021]

Which polymer is used for the manufacturing of water pipes?

[RRB NTPC CBT]

Which sodium compound is the most popular additive to various items such as sauces, salad dressings and beverages for its preservative action?

[SSC CGL 2023]

Pepperonil, ethyl acetate, butyraldehyde and nitrate are some common adulterants used in:

[SSC CGL 2023]

Irrespective of the source, pure water contains ______ of oxygen by mass.

[SSC CGL 2021]

Which of the following acids makes the pH of vinegar acidic?

[SSC MTS 2022]

Which of the following is used in plastics?

[RRB NTPC CBT]

What do we call a positively charged ion?

[RRB NTPC CBT]

Which acid is predominantly present in tomatoes?

[SSC MTS 2022]

Which of the following is a property of an ionic compound?

[RRB NTPC CBT]

Which among the following gases is used in the artificial ripening of fruits?

[SSC MTS 2022]

Butan-2-ol is a:

[SSC CGL 2023]

Polyatomic positive ions often have common names ending with the suffix _________.

[SSC MTS 2022]

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

[SSC CGL 2023]

Which chemical compound is present in hard plastic such as drinking water bottles and many household
items?

[RRB NTPC CBT]

Which of the following chemical compounds, that is used as a food preservative in some sauces and beverages, retains their natural colour and protects against bacteria?

[SSC CHSL 2023]

When we cut an onion, the synthase enzyme converts the amino acid sulfoxides of the onion into which acid?

[SSC CGL 2019]

Which of the following is a molecular compound?

[SSC MTS 2024]

Which of the following chemicals is used as a preservative to slow browning and discolouration in foods and beverages during preparation, storage and distribution?

[SSC CGL 2023]

Which chemical compound is commonly utilised as a preservative in tomato sauce?

[SSC MTS 2024]

One mole of Aluminium SulphateAl2(SO4)3 contains:

[SSC CPO 2024]

Negative ions that consist of a single atom are named by adding the suffix _______ to the stem of the name of the element.

[SSC MTS 2022]

Which of the following are food preservatives?

[SSC CGL 2022]

What is used for manufacturing synthetic fibers, synthetic rubber, plastics, dye-stuffs, drugs and pharmaceuticals?

[SSC GD 2022]