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Ordinary starch stirred with cold water will result in a
(a) Starch forms a colloidal solution in water. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-2/
(a) Starch forms a colloidal solution in water.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-2/
See lessWhich of the following is not a colloid?
(b) Sulphur forms a true solution in CS2. Others form colloidal solution. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-2/
(b) Sulphur forms a true solution in CS2. Others form colloidal solution.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-2/
See lessThe first atomic theory was put forward by
(b) John Dalton put forward the first atomic theory. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
(b) John Dalton put forward the first atomic theory.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
See lessThe relative mass of a molecule is expressed in
(c) Relative mass of a molecule is expressed in atomic mass units. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
(c) Relative mass of a molecule is expressed in atomic mass units.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
See lessMass can neither be created nor destroyed in a chemical reaction. This is the statement of a law called
(c) Law of conservation of mass is the correct answer. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
(c) Law of conservation of mass is the correct answer.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
See less