When electricity is passed through an aqueous solution of Sodium Chloride (brine), it decomposes to form:

Most ________ reactions require an input of energy in the form of heat, light, or electricity.

When you take Lead nitrate powder in a boiling tube and heat it, you will observe the emission of brown fumes that are of _____________________. [Combined Graduate Level Examination Tier I]

What is the gas evolved when zinc reacts with sulphuric acid? [Combined Graduate Level Examination Tier I]

The cause of a redox reaction is the: [Combined Graduate Level Examination Tier I]

Electrolysis of water is an example of ______. [Constable GD Examination 2022]

Common name of the compound CaOCl2 is ______. [Combined Graduate Level Examination Tier I 2022]

What is the product formed when zinc and sulphuric acid react? [Combined Graduate Level Examination Tier I]

Fe + CuSO4 → FeSO4 + Cu
This is an example of _________ reaction. [Constable GD Examination 2022]

Why cannot we write the chemical formula of a compound formed by chlorine and sodium as ClNa instead of NaCl? [Junior Engineer 2024 Civil Paper I]

Which of the following statements are true based on the 4NH3(g)+5O2(g)→4NO(g)+6H2O(g)?
(a) N gets oxidized.
(b) O gets oxidized.
(c) N gets reduced.
(d) O gets reduced.

[Combined Graduate Level Examination Tier I]

Name the white precipitate formed in the reaction of sodium sulphate and barium chloride. [SICPO Paper I 2024]

Brine water is saturated or strongly impregnated with which of the following ionic compounds? [Junior Engineer 2024 Civil Paper I]

Which of the following decomposition reactions is NOT a redox reaction? [Combined Graduate Level Examination Tier I]

When a magnesium ribbon is burnt in oxygen, it gets converted to ______. [Combined Graduate Level Examination Tier I 2022]

When electricity is passed through water, what kind of chemical reaction occurs? [Combined Graduate Level Examination Tier I]

What are the products formed when lead reacts with copper chloride? [Constable GD Examination 2022]

What is the chemical reaction that occurs when fats or oils combine with a strong alkali, such as sodium hydroxide, to make soap?
[Junior Engineer 2024 Civil Paper I]

Find out why white silver chloride turns grey in sunlight. [Combined Graduate Level Examination Tier I]

Limestone, chalk and marble are different forms of ______. [Combined Graduate Level Examination Tier I 2022]

What is the white precipitate formed in the reaction of sodium sulphate and barium chloride? [Constable GD Examination 2022]

From the given options, choose the one which is NOT a product of the decomposition reaction of Lead nitrate. [SICPO Paper I 2023]

Acidic and basic solutions in water conduct electricity because they produce ______ and hydroxide ions, respectively. [Constable GD 2021]

The chemical reaction which involves addition of __________ or removal of _________ is called reduction. [Constable GD Examination 2022]

The type of reaction that is typically found when a material that is required for the reaction to proceed, such as a surface or a catalyst, is saturated by the reactants is called a __________ order reaction. [Combined Graduate Level Examination Tier I]

Which is one of the bi-product formed when sodium sulphate reacts with barium chloride? [Constable GD Examination 2022]

Which inorganic compound is used to manufacture soap, rayon, paper, explosives, dyes, and petroleum products? [CHSL 2021 Tier I]

What is the common name for a saturated solution of calcium hydroxide widely used as a raw material in the chemical industry? [MTS Non Tech Havaldar CBIC and CBN Examination 2023]

Chemical formula of magnesium oxide is ______. [Combined Graduate Level Examination Tier I 2022]

Chemical formula of bleaching powder is ______. [Combined Graduate Level Examination Tier I 2022]

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? [SICPO Paper I 2023]

What is the product of a reaction of calcium carbonate, water and carbon dioxide? [Combined Graduate Level Examination Tier I 2022]

Limestone, chalk and marble are different forms of ______. [Constable GD Examination 2022]

Identify the structural formula for magnesium hydroxide. [Combined Graduate Level Examination Tier I]

Identify the chemical structure for potassium hydroxide.  [CHSL 2021 Tier I]

What is the chemical formula of Calcium Carbonate? [Constable GD Examination 2022]

The systematic name of which compound is nitrogen trihydride that is widely used in many industrial processes, and as a fertiliser and refrigerant? [CHSL 2021 Tier I]

______ gas is used for the manufacturing of bleaching powder. [Combined Graduate Level Examination Tier I 2022]

Which of the following compounds is also called ‘Norwegian saltpetre’?
[Constable GD 2021]

Which of the following is the chemical formula of washing soda? [Constable GD Examination 2022]

The chemical name of Blue Vitriol is ____________. [Constable GD Examination 2022]

Which metal sulphate, composed of potassium, aluminium, and sulphate ions in the ratio 1 : 1 : 2, plays a role as a flame retardant, a mordant and an astringent? [CHSL 2021 Tier I]

______ is found in association with rocks composed of calcium carbonates? [Combined Graduate Level Examination Tier I 2022]

Limestone, chalk and marble are different forms of ______. [MTS Non technical and Havaldar Examination 2021]

In a chemical reaction, ______ reacts vigorously with water to produce calcium hydroxide releasing a large amount of heat.
[Constable GD 2021]

Which of the following base is found in lime water? [CHSL Exam 2022 Tier I]

Which of the following is the correct chemical formula of sodium aluminate? [MTS Non technical and Havaldar Examination 2021]

Which chemical compound is composed of magnesium, sulphur and oxygen and is commonly used in detox bath to relax muscles and relieve pain in the shoulders, neck, back and scalp? [CHSL 2021 Tier I]

Chemical formula of quick lime is ______. [Combined Graduate Level Examination Tier I 2022]

Identify the acid that convert zinc into zinc sulphate. [Constable GD Examination 2022]