Advertisements
Advertisements
प्रश्न
Dalton’s atomic theory successfully explained
(i) Law of conservation of mass
(ii) Law of constant composition
(iii) Law of radioactivity
(iv) Law of multiple proportions
पर्याय
(i), (ii) and (iii)
(i), (iii) and (iv)
(ii), (iii) and (iv)
(i), (ii) and (iv)
उत्तर
(i), (ii) and (iv)
Explanation -
Dalton’s atomic theory successfully explained law of conservation of mass, law of constant composition and law of multiple proportion
APPEARS IN
संबंधित प्रश्न
MATCH THE COLUMNAS
| 1. Jpham Dalton | a. Neutrons |
| 2. Atom | b. Model of the atom |
| 3. Chadwick | c.The atomic theory of matter |
| 4. Rutherfrod | d. Positively charged |
| 5. Protons | e. Electricity neutral |
| 6. Nuclear fusion | f. Generator of electricity |
| 7.Gamma -rays | g. High penetrating power |
| h.Energy in sun |
ANSWER IN DETAIL
State the postulates of the Dalton’s atomic theory.
Define:- Molecule
Name two particles found inside the nucleus. What are they collectively called ?
Define: Covalent bond
What is the usual symbol for (a) and electron (b) a proton, and (c) a neutron?
How many atoms are there in exactly 12 g of carbon-12 element ? (C = 12 u)
Calculate the number of moles in 12.044 × 1025 atoms of phosphorus.
Give brief information of three subatomic particles with reference to electrical charge, mass and location.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form positive ion?
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
K: Potassium:: C: ______.
Name the sub-atomic particles.
1 mole of Gold and Silver contain same number of atoms.
Does the solubility of a substance change with temperature? Explain with the help of an example.
Lead is also known as plumbum.
What are the 3 most abundant atoms on the earth?
