Please select a subject first
Advertisements
Advertisements
Kamini reactor is located at ______.
Concept: undefined >> undefined
Which of the following is/are correct?
- Chain reaction takes place in a nuclear reactor and an atomic bomb.
- The chain reaction in a nuclear reactor is controlled
- The chain reaction in a nuclear reactor is not controlled
- No chain reaction takes place in an atom bomb
Concept: undefined >> undefined
Advertisements
If a moderator is not present, then a nuclear reactor will behave as an atom bomb.
Concept: undefined >> undefined
Match: II
| a. | Fuel | lead |
| b. | Moderator | heavy water |
| c. | Control rods | cadmium rods |
| d. | Shield | uranium |
Concept: undefined >> undefined
Arrange the following in the chronological order of discovery
Nuclear reactor, radioactivity, artificial radioactivity, discovery of radium.
Concept: undefined >> undefined
When and where was the first nuclear reactor built?
Concept: undefined >> undefined
Give the function of control rods in a nuclear reactor.
Concept: undefined >> undefined
In Japan, some of the new born children are having congenital diseases. Why?
Concept: undefined >> undefined
Explain the process of controlled and uncontrolled chain reactions.
Concept: undefined >> undefined
What is a nuclear reactor? Explain its essential parts with their functions.
Concept: undefined >> undefined
Mass number of a radioactive element is 232 and its atomic number is 90. When this element undergoes certain nuclear reactions, it transforms into an isotope of lead with a mass number 208 and an atomic number 82. Determine the number of alpha and beta decay that can occur.
Concept: undefined >> undefined
Solar energy is a renewable energy. How?
Concept: undefined >> undefined
In the aluminothermic process, the role of Al is _____.
Concept: undefined >> undefined
Along with cryolite and alumina, another substance is added to the electrolyte mixture. Name the substance and give one reason for the addition.
Concept: undefined >> undefined
Metal A belongs to period 3 and group 13. A in red hot condition reacts with steam to form B. A with strong alkali forms C. Find A, B, and C with reactions.
Concept: undefined >> undefined
Name the acid that renders aluminum passive. Why?
Concept: undefined >> undefined
Which of the following statements are correct about a chemical equilibrium?
(i) It is dynamic in nature
(ii) The rate of the forward and backward reactions are equal at equilibrium
(iii) Irreversible reactions do not attain chemical equilibrium
(iv) The concentration of reactants and products may be different.
Concept: undefined >> undefined
The equilibrium attained during the melting of ice is known as ______
Concept: undefined >> undefined
At the equilibrium of a reversible reaction, the concentration of the reactants and the products will be equal.
Concept: undefined >> undefined
What is chemical equilibrium? What are its characteristics?
Concept: undefined >> undefined
