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Which of the following is NOT a component of the money supply in an economy?

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Important Questions on The d- and f-Block Elements

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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
Which of the following statements is incorrect for pair of elements Zr - Hf?
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
What is a trophic level in an ecosystem ? What is ‘standing crop’ with reference to it?
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
Describe the DDT biomagnification occurring in an aquatic food chain. State the negative effects the process has on the organisms at the last trophic level of the food chain.
EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
Silver atom has completely filled d orbitals (4d10) in its ground state. How can you say that it is a transition element?
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
The bob of a simple pendulum has mass 2 g and a charge of 5.0 μC. It is at rest in a uniform horizontal electric field of intensity 2000 V/m At equilibrium, the angle that the pendulum makes with the vertical is:
take g=10 m/s2
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
Give a diagrammatic representation of energy flow through different trophic levels.
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
Explain the role of the ‘first trophic level’ in an ecosystem.
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
Explain energy flow in ecosystem.
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
Ten charges are placed on the circumference of a circle of radius R with constant angular separation between successive charges. Alternate charges1,3,5,7,9 have charge (+q) each, while 2,4,6,8,10 have charge (–q) each. The potential V and the electric field E at the centre of the circle are respectively : (Take V=0 at infinity)
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
If 20J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?
plant → mice → snake → peacock
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

Write down the electronic configuration of Cu+.

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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table

A 10 V cell of negligible internal resistance is connected in parallel across a battery of emf 200 V and internal resistance 38 Ω as shown in the figure. Find the value of current in the circuit. 

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EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
What is the general electronic configuration of d-block elements?
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
How is the detritus food chain connected with the grazing food chain in a natural ecosystem?
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
Two point charges q110 μC and q2-25 μC are placed on the x -axis at x=1 m and x=4 m respectively. The electric field in V m-1 at a point y=3 m on y-axis is,

Take 14πϵ0=9×109 N m2C-2
EASY
Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
Account for the following: Zn, Cd, Hg are considered as d-block elements but not as transition elements.
 
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
General electronic configuration of transition metals is
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
In which block 106th element belongs
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
How many d-block elements are present in modern periodic table? 40/ 62/ 118
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Chemistry>Inorganic Chemistry>The d- and f-Block Elements>Position of d-Block and f-Block Elements in Periodic Table
Generally transition elements form coloured salts due to the presence of unpaired electrons. Which of the following compounds will be coloured in solid state?