PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. The chemical equation \(Na_2SO_{4(aq)}+BaCl_{2(aq)}→BaSO_{4(s)↓}+2NaCl_{(aq)}\) represents which of the following types of reaction?
2. Which of the following statements are correct about a chemical equilibrium?
(i) It is dynamic in nature.
(ii) The rate of the forward and backward reactions are equal at equilibrium.
(iii) Irreversible reactions do not attain chemical equilibrium.
(iv) The concentration of reactants and products may be different.
(i) It is dynamic in nature.
(ii) The rate of the forward and backward reactions are equal at equilibrium.
(iii) Irreversible reactions do not attain chemical equilibrium.
(iv) The concentration of reactants and products may be different.
3. A single displacement reaction is represented by \(X_{(s)}+2HCl_{(aq)}→XCl_{2(aq)}+H_{2(g)}\). Which of the following(s) could be \(X\).
(i) \(Zn\)
(ii) \(Ag\)
(iii) \(Cu\)
(iv) \(Mg\)
Choose the best pair.
(i) \(Zn\)
(ii) \(Ag\)
(iii) \(Cu\)
(iv) \(Mg\)
Choose the best pair.
Register for free to see more content