Questions

Q:

Atomic numbers of four elements are as follows : F(9), P(15), Cl(17), Ar(18). Which of the following two elements would be chemically similar?

A) F and Ar B) Cl and P
C) F and P D) F and Cl
 
Answer & Explanation Answer: D) F and Cl

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Q:

Non-metal oxides are usually

A) acidic B) amphoteric
C) neutral D) basic
 
Answer & Explanation Answer: A) acidic

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Q:

What is the transplantation of graft between genetically identical individuals ?

A) Autograft B) Isograft
C) Allograft D) Xenograft
 
Answer & Explanation Answer: B) Isograft

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Q:

Common salt (NaCl) is made up of

A) a weak acid and a weak base B) a strong acid and a weak base
C) a weak acid and a strong base D) a strong acid and a strong base
 
Answer & Explanation Answer: D) a strong acid and a strong base

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Q:

In the Modern Periodic Table elements present in the same period will have the same

A) atomic weight B) number of shells
C) atomic number D) valence electrons
 
Answer & Explanation Answer: B) number of shells

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Q:

Which of the following elements has a total of 3 shells with 8 electrons in the last orbit?

A) Ar B) P
C) S D) Al
 
Answer & Explanation Answer: A) Ar

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Q:

In a market system, the central problems regarding how much and what to produce are solved through the coordination of economic activities brought about by ________ signals.

A) Supply B) Demand
C) Price D) Stock Market
 
Answer & Explanation Answer: C) Price

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Q:

If demand curve for racing cycles is D = 80200 ­ 13P and supply curve is S = 6200 + 12P, What is the equilibrium Quantity?

A) 2960 units B) 31220 units
C) 8750 units D) 41720 units
 
Answer & Explanation Answer: D) 41720 units

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