When an object is heated, the molecules that make up the object
(a) begin to move faster
(b) lose energy
(c) become heavier
(d) become lighter
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Which of the following element lose three electrons to get octet in its outer shell?
Correct option is D) Al
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Electrons must …………… energy to move to a higher energy level.
Correct option is A) absorb
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The sum of the kinetic energy and the potential energy of an object is called its ……………………. energy.
D) mechanical
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a) Wild animals lose their habitat due to deforestation. b) 15 % of green house gases are released into
A) Both a & b are true, ‘b’ explains ‘a’
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Push a heavy box with a small force. It does not move. Now gradually increase the force, the box till does not move.
A) force increases, friction increases
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(1.) If \( T={ }_{B}^{A}\left(\begin{array}{cc}0.25 & 0.75 \\ 0.3 & \alpha\end{array}\right) \) is a transition probability matrix, then the value of \( \alpha \) is a) \( 0.5 \) b) \( 0.7 \) c) 0 /d) \( 0.6 \) 2. Rank of matrix \( \left(\begin{array}{cccc}1 & -1 & 2 & 0 \\ 0 & 2 & 0 & 3\end{array}\right) \) is a) 1 b) 0 c) 2 d) \( -1 \)
Is there any answer
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(a) ‘Risk’ means (i) miss (ii) lose (iii) endanger (iv) meet (b) Who is a patriot? (c) What do the best soldiers do?
(a) (iii) endanger (b) A patriot is a man who loves his country, works for it, and is willing to fight and die for it. (c) The best soldiers risk their lives. (d)...
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The molecules can move freely anywhere in 1. gases 2. liquids 3. solids
The correct answer is: gases
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Double salts are addition compounds which lose their identify in aqueous solution whereas complexes which are also addition compounds do not lose thei
Correct Answer - D It is homogeneous catalyst for hydrogenation of alkenes.
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