Q:

Rearrange the parts of the sentence in correct order:

They not only

P-tech activists on to the streets
Q-ran an innovative and creative campaign, but
R-were also able to bring

A) RQP	B) RPQ
C) PRQ	D) QRP

Answer & Explanation Answer: D) QRP

Explanation:

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Filed Under: English
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Q:

The main goal of Zionism was to

A) Establish a Jewish homeland	B) Assimilate Jews into other cultures
C) Fight against anti-Semitism	D) Increase Arab residents in Palestine

Answer & Explanation Answer: A) Establish a Jewish homeland

Explanation:

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Filed Under: World History
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Q:

Which compound contains both ionic and covalent bonds?

A) NaNO3	B) CaSO4
C) NH4Cl	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Here all the given compounds have both ionic and covalent bonds.

NaNO3 - In Sodium nitrate, Nitrate is covalently bonded as nitrogen is bonded with 3 oxygen atoms. And this nitrate is ionically bonded with sodium.

CaSO4 - In Calcium sulphate, sulphate is covalently bonded as sulphur is bonded with 4 oxygen atoms. And this sulphate is ionically bonded with calcium.

NH4Cl - In Ammonium chloride, ammonium is covalently bonded as nitrogen is bonded with 4 hydrogen atoms. And this ammonium is ionically bonded with chlorine.

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Q:

Which element has similar properties to Beryllium?

A) Manganese	B) Calcium
C) Both A & B	D) Helium

Answer & Explanation Answer: B) Calcium

Explanation:

The elements in the same column will have similar properties. Beryllium is the group II element. Group II elements are magnesium, calcium, strontium, barium and radium. Hence, these show the similar prperties.

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Q:

Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

A) K1k2/k1+k2	B) 2k1k2/k1+k2
C) K1+k2/k1k2	D) None

Answer & Explanation Answer: B) 2k1k2/k1+k2

Explanation:

We know that,

The equivalent K = $\frac{L 1 + L 2}{\frac{L 1}{K 1} + \frac{L 2}{K 2}}$

where L1 & L2 are plate1 & Plate2 thicknesses, K1 & K2 are coefficient thermal conductivity of plate1 & Plate2 respectively.

But here L1 = L2 = L (say)

Then K = L+L/(L/K1 + L/K2) = $\frac{2 K 1 K 2}{K 1 + K 2}$

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Filed Under: Physics
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12 7176

Q:

Decibel is the unit of

A) speed of light	B) intensity of sound
C) intensity of heat	D) None of these

Answer & Explanation Answer: B) intensity of sound

Explanation:

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Filed Under: Physics

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Q:

Which of the following is not a property of water?

A) Low density	B) Low specific heat
C) Low heat of vaporisation	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Water can moderate temperature because of the two properties: high-specific heat and the high heat of vaporization.

Hence, all the above given options are not the properties of water.

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Q:

The lead character in the film ' The Bandit Queen ' has been played by

A) Shabana Azmi	B) Rupa Gangulu
C) Seema Biswas	D) Arundhati ray

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