The question tests the understanding of the function of a hygrometer, especially in the context of conservation science.
Hygrometer is used in the conservation laboratory for measuring - - Question not attempted
Asked in Department Recruitment 2024 (Research Officer) 2024 · Topic: Physical and Chemical Changes, Solution (Definition and Characteristics of Chemical Changes (Chemical Reactions))
More Chemistry questions
- Which of the following statements about chemical equilibrium is correct ? - At equilibrium, the system undergoes no net change. - At equilibrium, the forward and backward reactions cease to occur. - At equilibrium, the concentrations of reactants and products are equal. - The catalysts, shift the position of the equilibrium.
- Corrosion of metals involves -
- Match the following reactions with their types and choose the correct option : Reaction Type of Reaction a. Decomposition CaO + H2O → Ca(OH)2 (i) reaction CaCO3 $\xrightarb. Displacement (ii) row{\Delta}$ CaO + reaction CO2 Pb + CuCl2 → PbCl2 + c. Combination (iii) reaction Cu d. Double dis‐ Na2SO4 + BaCl2 → (iv) placement reac‐ BaSO4 + 2NaCl tion Codes : (i) (ii) (iii) (iv) (1) a b c d (2) a c b d (3) c a b d (4) c b d a (5) Question not attempted
- Pb(s) + CuCl₂(aq) → PbCl₂(aq) + Cu(s) The above reaction is an example of -
- The reaction Na2SO4 (aq) + BaCl2 (aq) → BaSO4 (s) + 2 NaCl (aq) is the example of - - Reduction reaction - Addition reaction - Decomposition reaction - Double displacement reaction
- Volume-temperature relationship is given by
- Which one of the following pairs is correctly matched ?
- The reaction rate constant can be defined as the rate of reaction when each reactant's concentration is