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Sodium Chloride Bond. We covered all the Sodium Chloride Bond in this post for free so that you can practice well for the exam.
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mcq on Sodium Chloride Bond for Students
What type of reaction leads to the formation of new substances with different properties?
(a) Biochemical reaction
(b) Nuclear reaction
(c) Physical reaction
(d) Chemical reaction
Option d – Chemical reaction
Which of the following is essential for a chemical reaction to occur?
(a) It should involve changes in temperature and pressure
(b) One of the fixed reactants should be in a specific quantity
(c) It must obey the law of conservation of Mass
(d) All of the above
Option c – It must obey the law of conservation of Mass
Which chemical equation is correctly balanced?
(a) H₂O₂ → H₂O + O₂
(b) NaNO₃ → NaNO₂ + O₂
(c) CaCO₃ → CaO + CO₂
(d) Al₂(CO₃)₃ → Al₂O₃ + CO₂
Option c – CaCO₃ → CaO + CO₂
In which compound does oxygen exhibit an oxidation number of +2?
(a) H₂O₂
(b) H₂O
(c) OF₂
(d) SO₂
Option c – OF₂
What does the term “rancidity” refer to?
(a) Acid rain
(b) Oxidation of oils or fats
(c) Decomposition of fruits
(d) Color fading from clothes in sunlight
Option b – Oxidation of oils or fats
What are antioxidants?
(a) Hydrating compounds
(b) Dehydrating compounds
(c) Oxidising agents
(d) Reducing agents
Option d – Reducing agents
A shiny brown metal turns black upon heating in air. Identify the metal and the resulting black compound.
(a) CuO
(b) P₂O₅
(c) NO₂
(d) Fe₂O₃
Option a – CuO
Which type of chemical equation contains an equal number of atoms for each element on both sides?
(a) Balanced equation
(b) Unbalanced equation
(c) Chemical equation
(d) All of the above
Option a – Balanced equation
What type of reaction involves breaking down a compound using electrical energy?
(a) Electrolysis
(b) Hydrolysis
(c) Decomposition
(d) Displacement
Option a – Electrolysis
What type of reaction is represented by Fe₂O₃ + 2Al → Al₂O₃ + 2Fe?
(a) Combination reaction
(b) Double displacement reaction
(c) Decomposition reaction
(d) Displacement reaction
Option d – Displacement reaction
In the study of the reaction between barium chloride and sodium sulphate, in what form should they be mixed?
(a) Aqueous solutions
(b) Dry powder
(c) Molten form
(d) Gaseous state
Option a – Aqueous solutions
A chemical equation is defined as:
(a) A qualitative representation using symbols and formulas
(b) A quantitative representation using symbols and formulas
(c) A combination of qualitative and quantitative details using symbols and formulas
(d) A qualitative and quantitative explanation using words
Option c – A combination of qualitative and quantitative details using symbols and formulas
What are homogeneous reactions?
(a) Reactions where all substances are in different states
(b) Reactions with reactants and products in various states
(c) Reactions where all components are in the same state
(d) Reactions where reactants, products, and catalysts are in the same physical state
Option d – Reactions where reactants, products, and catalysts are in the same physical state
Evaluate the following statements: (A) Rusting is a type of double decomposition reaction. (B) Silver Salts are often Light-sensitive.
(a) Only A is correct
(b) Only B is correct
(c) Both A and B are correct
(d) Neither A nor B is correct
Option b – Only B is correct
How many products are typically formed in a combination reaction?
(a) One
(b) Two
(c) One or two
(d) Several
Option a – One
The reaction CuO + H₂ → Cu + H₂O is classified as:
(a) Redox reaction
(b) Synthesis reaction
(c) Neutralisation reaction
(d) Decomposition reaction
Option a – Redox reaction
Which among the following is an example of an endothermic process?
(a) C + O₂ → CO₂
(b) CaCO₃ → CaO + CO₂
(c) CH₄ + 2O₂ → CO₂ + 2H₂O
(d) CaO + H₂O → Ca(OH)₂
Option b – CaCO₃ → CaO + CO₂
To prevent spoilage, chip packets are flushed with:
(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Hydrogen
Option a – Nitrogen
Which of these does not affect the corrosion process?
(a) Internal stress in the metal
(b) Reactivity of non-Metals
(c) Presence of an electrolyte
(d) Atmospheric gases
Option b – Reactivity of non-Metals
Which chemical reaction is used to power space shuttles?
(a) N₂(g) + 3H₂(g) → 2NH₃(g)
(b) CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(g)
(c) 2H₂(g) + O₂(g) → 2H₂O(l)
(d) 2SO₂(g) + O₂(g) → 2SO₃(g)
Option c – 2H₂(g) + O₂(g) → 2H₂O(l)
Identify the physical states of the substances in this equation: CH₄(x) + 2O₂(y) → CO₂(z) + 2H₂O(w)
(a) g, g, g, l
(b) g, g, g, g
(c) g, g, l, l
(d) l, g, g, g
Option a – g, g, g, l
We covered all the sodium chloride bond above in this post for free so that you can practice well for the exam.
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