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Aluminium Oxide Bonding. We covered all the Aluminium Oxide Bonding in this post for free so that you can practice well for the exam.
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MCQ on Aluminium Oxide Bonding for Students
Soaps are made from the salts of which fatty acids?
(a) Sodium
(b) Potassium
(c) Both
(d) None of these
Option c – Both
Which substance is suitable for cleaning clothes in hard water conditions?
(a) Soaps
(b) Detergents
(c) Sodium hydroxide
(d) Glycerol
Option b – Detergents
What is the common name of FeSO₄·7H₂O?
(a) White Vitriol
(b) Blue Vitriol
(c) Green Vitriol
(d) Black Vitriol
Option c – Green Vitriol
What is another name for CaO?
(a) Quick lime
(b) Soda lime
(c) Slaked lime
(d) Sweet lime
Option a – Quick lime
What is laughing gas?
(a) Nitrous oxide
(b) Nitric oxide
(c) Lead oxide
(d) Sulphur oxide
Option a – Nitrous oxide
Consider the following reactions: (a) Cu + I₂ → CuI₂ (b) Fe + S → FeS Which of these reactions are classified as redox?
(a) Only (a)
(b) Only (b)
(c) Both (a) and (b)
(d) Neither (a) nor (b)
Option c – Both (a) and (b)
In a reaction where aqueous potassium iodide is mixed with lead nitrate to form yellow lead iodide, which compound can substitute lead nitrate if it is unavailable?
(a) Lead sulphate (insoluble)
(b) Lead acetate
(c) Ammonium nitrate
(d) Potassium sulphate
Option b – Lead acetate
Which of the following chemical equations correctly represents the physical states of substances involved at the reaction temperature?
(a) 2H₂(l) + O₂(l) → 2H₂O(g)
(b) 2H₂(g) + O₂(l) → 2H₂O(a)
(c) 2H₂(g) + O₂(g) → 2H₂O(a)
(d) 2H₂(g) + O₂(g) → 2H₂O(g)
Option d – 2H₂(g) + O₂(g) → 2H₂O(g)
Two test tubes A and B contain aqueous potassium iodide and lead nitrate, respectively. When mixed, what are the resulting X and Y?
(a) Yellow precipitate, yellow solution
(b) Yellow precipitate, colourless solution
(c) White precipitate, yellow solution
(d) White precipitate, colourless solution
Option b – Yellow precipitate, colourless solution
Why are nitrogen gas cylinders used to package oily and fatty foods?
(a) Nitrogen reacts with fats and prevents spoilage
(b) Nitrogen is inert and blocks air contact with the food
(c) Nitrogen decomposes food and enhances flavour
(d) All the above statements are incorrect
Option b – Nitrogen is inert and blocks air contact with the food
During an experiment with iron filings and sulphur, students are warned not to heat the mixture without a test tube holder because:
(a) The reaction produces heat (exothermic)
(b) The reaction absorbs heat (endothermic)
(c) The test tube might melt
(d) The reaction can cause an explosion
Option a – The reaction produces heat (exothermic)
To observe the reaction between barium chloride and sodium sulphate, these chemicals should be used in the form of:
(a) Aqueous solutions
(b) Dry powders
(c) Molten liquids
(d) Gaseous forms
Option a – Aqueous solutions
In the reaction Cu + xHNO₃ → Cu(NO₃)₂ + yNO₂ + 2H₂O, what are the values of x and y?
(a) 3 and 5
(b) 8 and 6
(c) 4 and 2
(d) 7 and 1
Option c – 4 and 2
Identify the physical states in the 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
What is the primary element present in urea?
(a) Nitrogen
(b) Phosphorus
(c) Potassium
(d) Carbon
Option a – Nitrogen
How many products are typically formed in a combination reaction?
(a) Only one
(b) Only two
(c) One or two only
(d) Multiple
Option a – Only one
Which type of reaction is influenced by the reactivity series of metals?
(a) Decomposition reaction
(b) Displacement reaction
(c) Double displacement reaction
(d) Synthesis reaction
Option b – Displacement reaction
Which of the following reactions requires heat input to proceed?
(a) C + O₂ → CO₂
(b) CaCO₃ → CaO + CO₂
(c) CH₄ + 2O₂ → CO₂ + 2H₂O
(d) CaO + H₂O → Ca(OH)₂
Option b – CaCO₃ → CaO + CO₂
Which of the following is a homogeneous reaction?
(a) C(s) + O₂(g) → CO₂(g)
(b) 2Mg(s) + O₂(g) → 2MgO(s)
(c) N₂(g) + O₂(g) → 2NO(g)
(d) CaO(s) + H₂O(l) → Ca(OH)₂(aq)
Option c – N₂(g) + O₂(g) → 2NO(g)
What best describes a redox reaction?
(a) Both substances are reduced
(b) Both substances are oxidized
(c) An acid neutralizes a base
(d) One is oxidized, and the other is reduced
Option d – One is oxidized, and the other is reduced
In the reaction NaOH + HNO₃ → NaNO₃ + H₂O, nitric acid functions as:
(a) An oxidizing agent
(b) An acid
(c) A nitrating agent
(d) A dehydrating agent
Option b – An acid
What is the term for the gradual corrosion of iron in moist air?
(a) Galvanization
(b) Crystallization
(c) Rusting
(d) Neutralization
Option c – Rusting
Oxidation can be defined as:
(a) Gaining hydrogen or losing oxygen
(b) Gaining oxygen or losing hydrogen
(c) Only gaining oxygen
(d) Only gaining hydrogen
Option b – Gaining oxygen or losing hydrogen
Neutralization is classified as which type of reaction?
(a) Decomposition reaction
(b) Displacement reaction
(c) Combination reaction
(d) Double displacement reaction
Option d – Double displacement reaction
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