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The band structure in an n-type semiconductor is
Chemical Bonding and Molecular Structure mcq question image
Consider the following statements and choose the correct answer:
1. Adenine pairs with thymine (A : T) and guanine with cytosine $$\left( {G \vdots C} \right)$$
2. Adenine and thymine are joined by three hydrogen bonds through atoms
3. Guanine and cytosine are joined by two hydrogen bonds through atoms
4. The weak hydrogen bonding enables the two strands of the DNA to separate during replication
In physical adsorption the enzymes are attached to the matrix through hydrogen bonding, van der Waals forces, or hydrophobic interactions; whereas in ionic bonding, the enzymes are bound through?
Which of the following holds true according to the properties of hydrogen? I. Hydrogen is the lightest gas. II. Hydrogen cannot be corrosive. III. Deuterium is another name for heavy hydrogen.
In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives.
The nation has been _____as a relatively extensive, territorial relation of nativity. We have further formulated the_____of the nation as a territorially_____, yet bounded, social relation for the generation, transmission, and ____of life. When the nation is a national state, it is also a_____for the protection of life. The nation is often ______by the metaphor of familial relations and, indeed, has sometimes been considered as some kind of_____family. This is understandable because both the nation and the family are relations of_____. Nonetheless, there is an important difference, and to understand this will _____a more detailed examination of the_____ between territory and bonding.
a more detailed examination of the______ between territory and bonding.
Take NA as the number of Anti-bonding molecular orbitals and NB as the number of Bonding molecular orbitals. The molecule is stable when NA ____________ NB.
The number of electrons in bonding orbital and anti-bonding orbital of Lithium molecule are ______ and _______ respectively.
Which of the following among item A and item B are correct?
The right of private defence extends, subject to Section 99, to the causing of death of the assailant or aggressor in the following circumstances:
Item A: For defence of body:
1. Against an act which reasonably causes the apprehension of an assault to outrage the modesty
2. Against an act which reasonably causes the apprehension that the assailant will kill his children living in another city
3. Against an act which reasonably causes the apprehension that grievous hurt would otherwise be the consequence
Item B: For defence of property:
1. While the trespasser is engaged in house breaking during day time.
2. Against a thief who reasonably causes the defender to believe that he would lose his property
3. Against a person who commits mischief under such circumstances as may reasonably cause apprehension that grievous Hurt would be a consequence
Select the correct answer:
With reference to the Green Hydrogen, consider the following statements: 1. Green hydrogen is produced with the help of electrolysis through electricity generated from renewable sources of energy such as solar and wind. 2. An electric current then splits the water into hydrogen and oxygen. 3. This ensures no greenhouse gas emissions as the only by-product of this process is oxygen, making it a great replacement for carbon-emitting fuels. Which of the above statement is/are correct?
Consider the following statements regarding Hydrogen and Atom Bombs:  The energy released in a Hydrogen bomb is several magnitudes higher than an Atom bomb. A Hydrogen bomb derives its energy through the fission of atoms while an atom bomb derives its energy from fusion. Which of the statements given above is/are correct?