(C) Mg + S → MgS 24 g 32 g Ratio by mass in which Mg and S combine = 24:32 or 3:4 https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
(C) Mg + S → MgS
24 g 32 g
Ratio by mass in which Mg and S combine = 24:32 or 3:4
(c) Changes (i), (iii) and (iv) are physical in nature because we can get back to the original form by physical methods. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-2/
(c) Changes (i), (iii) and (iv) are physical in nature because we can get back to the original form by physical methods.
Molecular 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 lessAtoms of a given element are identical
(b) in mass and chemical properties. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
(b) in mass and chemical properties.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
See lessMagnesium and sulphur combine to form magnesium sulphide with the masses of magnesium and sulphur in the ratio of
(C) Mg + S → MgS 24 g 32 g Ratio by mass in which Mg and S combine = 24:32 or 3:4 https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
(C) Mg + S → MgS
24 g 32 g
Ratio by mass in which Mg and S combine = 24:32 or 3:4
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-3/
See lessWhich of the following are physical changes? (i) Melting of iron metal (ii) Rusting of iron (iii) Bending of an iron rod (iv) Drawing a wire of iron metal
(c) Changes (i), (iii) and (iv) are physical in nature because we can get back to the original form by physical methods. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-2/
(c) Changes (i), (iii) and (iv) are physical in nature because we can get back to the original form by physical methods.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-2/
See less