Share & grow the world's knowledge!
We want to connect the people who have knowledge to the people who need it, to bring together people with different perspectives so they can understand each other better, and to empower everyone to share their knowledge.
Choose the incorrect statement:
(d) Rutherford model only established that the nucleus is positively charged. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/
(d) Rutherford model only established that the nucleus is positively charged.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/
See lessThe chemical formula of a molecular compound is determined by
(d) We use valency of the element to determine the molecular formula of a compound. The valencies are crossed to obtain the formula. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
(d) We use valency of the element to determine the molecular formula of a compound. The valencies are crossed to obtain the formula.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
See lessThe number of neutrons in sodium and magnesium is
(a) Sodium and magnesium both contain 12 neutrons each. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/
(a) Sodium and magnesium both contain 12 neutrons each.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-4/
See lessMolecular mass of glucose is
(a) Molecular mass of glucose (C₆H₁₂O₆) = 6 x 12 + 12x1 + 6 x 16 = 72 + 12 + 96 = 180 u. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
(a) Molecular mass of glucose (C₆H₁₂O₆) = 6 x 12 + 12×1 + 6 x 16 = 72 + 12 + 96 = 180 u.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
See lessTick the correct statement
(c) https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
(c)
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
See less