Q:

At 3.40, the hour hand and the minute hand of a clock form an angle of:

A) 120 degrees	B) 125 degrees
C) 130 degrees	D) 135 degrees

Answer & Explanation Answer: C) 130 degrees

Explanation:

Angle traced by hour hand in 12 hrs. = 360º.

Angle traced by it in 11/3 hrs= ${(\frac{360}{12} * \frac{11}{3})}^{°}$ = $110^{°}$

Angle traced by minute hand in 60 min. = 360º.

Angle traced by it in 40 min. =(360/60*40) $°^{}$ =240 $°^{}$

Required angle (240 - 110)º = 130º.

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Q:

What is the general formula of alkenes?

A) CnH2n	B) CnH2n+2
C) CnH2n-2	D) CnH2n-1

Answer & Explanation Answer: A) CnH2n

Explanation:

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Q:

Which of the following statement(s) is/are CORRECT?

I. Bases are soapy to touch.

II. Bases generate OH– ions.

III. Metal oxides dissolve in water to form Acidic solution.

A) Only I and II	B) Only I and II
C) Only II and III	D) All I, II and III

Answer & Explanation Answer: A) Only I and II

Explanation:

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Q:

What enables an electric current to flow in a circuit?

A) The motion of electrons	B) The motion of neutrons
C) The motion of positrons	D) The motion of protons

Answer & Explanation Answer: A) The motion of electrons

Explanation:

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Q:

Which is released during the formation of a peptide bond?

A) an amino group	B) a five-carbon sugar
C) both 1 and 2	D) a water molecule

Answer & Explanation Answer: D) a water molecule

Explanation:

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Q:

Which of the following group does NOT follow Newlands Law of Octaves?

A) Li, Na	B) Be, Mg
C) C, Si	D) Mn, Hg

Answer & Explanation Answer: D) Mn, Hg

Explanation:

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Q:

The most abundant of the rare gases i ?

A) Helium	B) Argon
C) Neon	D) Nitrogen

Answer & Explanation Answer: B) Argon

Explanation:

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Q:

The absence of law and order

A) Mutiny	B) Rebellion
C) Revolt	D) Anarchy

Answer & Explanation Answer: D) Anarchy

Explanation:

Anarchy is what the absence of law and order i.e, government and freedom of an individual.

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