Which condition out of the following will increase the evaporation of water?
In which of the following conditions, the distance between the molecules of hydrogen gas would increase?
(i) Increasing pressure on hydrogen contained in a closed container
(ii) Some hydrogen gas leaking out of the container
(iii) Increasing the volume of the container of hydrogen gas
(iv) Adding more hydrogen gas to the container without increasing the volume of the container
Two chemical species X and Y combine together to form a product P which contains both X and Y
X + Y → P
X and Y cannot be broken down into simpler substances by simple chemical
reactions. Which of the following concerning the species X, Y and P are correct?
(i) P is a compound
(ii) X and Y are compounds
(iii) X and Y are elements
(iv) P has a fixed composition
3.42 g of sucrose are dissolved in 18g of water in a beaker. The number of oxygen atoms in the solution are
A change in the physical state can be brought about
Additional Information about Quiz on ALL CHAPTERS – Chemistry | CBSE Class 9 Science:
This page contains quizzes for all chapters of the Chemistry section in the Science subject for CBSE NCERT Class 9 (IX). The quizzes are designed based on NCERT Exemplar Problems and other important questions covering topics such as Matter in Our Surroundings, Is Matter Around Us Pure, Atoms and Molecules, Structure of the Atom, and more. These quizzes will help students strengthen their conceptual understanding and improve their problem-solving skills. For more such resources, visit the official NCERT website.
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