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 is the reaction in which a substance or substances undergo change to produce new substances with new properties?
(a) A biochemical reaction
(b) A nuclear reaction
(c) A physical reaction
(d) A chemical reaction
Option d – A chemical reaction
Which of the following conditions is necessary for a chemical reaction?
(a) It must be accompanied by changes in temperature and pressure.
(b) At least one of the fixed reactants must be in a quantity.
(c) It must follow the law of conservation of mass.
(d) All of the above
Option c – It must follow the law of conservation of mass
Which of the given chemical equations is balanced?
(a) H₂O₂ → H₂O+O₂
(b) NaNO3 → NaNO₂ + O₂
(c) CaCO3→ CaO + CO2
(d) Al₂ CO3 → Al2O3 + CO₂
Option c – CaCO3→ CaO + CO2
Oxygen has an oxidation state of +2 in
(a) H₂O₂
(b) H₂O
(c) OF2
(d) SO2
Option c – OF2
The term ‘rancidity’ represents
(a) acid rain
(b) oxidation of fatty food
(c) rottening of fruit
(d) fading of coloured clothes in the sun
Option b – oxidation of fatty food
Antioxidants are
(a) hydrating agents
(b) dehydrating agents
(c) oxidizing agents
(d) reducing agents
Option d – reducing agents
A shiny brown coloured element ‘X’ on heating in the air becomes black in colour. Name the element ‘X’ and the black-coloured compound formed.
(a) CuO
(b) P₂O5
(c) NO₂
(d) Fe₂O3
Option a – CuO
‘X’ is an equation which contains an equal number of atoms of each element on both sides. What is ‘X’?
(a) A balanced equation
(b) An unbalanced equation
(c) A chemical equation
(d) All of the above
Option a – A balanced equation
In which reaction a substance is decomposed by using electricity?
(a) Electrolysis
(b) Hydrolysis
(c) Decomposition
(d) Displacement
Option a – Electrolysis
Fe₂O3 +2Al → Al₂O3 + 2Fe The above reaction is an example of an
(a) combination reaction
(b) double displacement reaction
(c) decomposition reaction
(d) displacement reaction
Option d – displacement reaction
In order to study the reaction between barium chloride and sodium sulphate, the two compounds are mixed in the form of
(a) aqueous solutions
(b) dry powders
(c) molten liquids
(d) gases
Option a – aqueous solutions
A chemical equation is
(a) a qualitative representation of a chemical reaction in terms of symbols and formulae
(b) a quantitative representation of a chemical reaction in terms of symbols and formulae
(c) a qualitative and quantitative representation of a chemical reaction in terms of symbols and formulae
(d) qualitative and quantitative representation of a chemical reaction in words.
Option c – a qualitative and quantitative representation of a chemical reaction in terms of symbols and formulae
Homogeneous reactions
(a) are those in which all reactants, products and catalysts are in different physical states
(b) are those in which all reactants and products are in different physical states
(c) are those in which all reactants and products are in the same physical state.
(d) are those in which all reactants, products and catalysts are in the same physical state
Option d – are those in which all reactants, products and catalysts are in the same physical state
Consider the following statements : (A) Rusting is a double decomposition reaction. (B) Silver salt is generally sensitive to light. Which of these statement(s) is/are correct?
(a) (A) only
(b) (B) only
(c) Both (A) and (B)
(d) Neither (A) nor (B)
Option b – (B) only
In a combination reaction, how many products are formed?
(a) Only one
(b) Only two
(c) One or two only
(d) Many
Option a – Only one
CuO + H₂ →H₂O+Cu reaction is an example of
(a) redox reaction
(b) synthesis reaction
(c) neutralisation
(d) analysis reaction
Option a – redox reaction
Which of the following reaction is endothermic?
(a) C+0₂ → CO₂
(b) CaCO3 → CaO + CO₂
(c) CH4 +20₂ → CO₂ + 2H₂O
(d) CaO + H₂O → Ca(OH)₂
Option b – CaCO3 → CaO + CO₂
Chips manufacturers usually flush the bags of chips with which gas
(a) Nitrogen
(b) Oxygen
(c) Carbon dioxide
(d) Hydrogen
Option a – Nitrogen
The factor which does not influence corrosion.
(a) Strains in the metal
(b) Reactivity of non-metals
(c) Presence of electrolyte
(d) Presence of Atmospheric gases
Option b – Reactivity of non-metals
Mention the reaction which is utilized to upthrust the space shuttle.
(a) N₂(g) + 3H₂(g) → 2NH3
(b) CH4(g) +20₂(g) → CO₂(g) + 2H₂O(g)
(c) 2H₂(g) + O₂(g) → 2H₂O(l)
(d) 2SO₂ + O₂ → 2SO3
Option c – 2H₂(g) + O₂(g) → 2H₂O(l)
Write the physical states of reactants and products denoted by ‘x’, ‘y’, ‘z’ and ‘w’. CH4(x) +2O₂(y) → CO₂(z) + H₂O(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
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