Q:

All isotopes of the same element have ____________

A) different atomic numbers and different atomic mass	B) different atomic numbers and the same atomic mass
C) the same atomic number but different atomic masses	D) the same atomic number and the atomic mass

Answer & Explanation Answer: C) the same atomic number but different atomic masses

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Filed Under: Chemistry

4 1071

Q:

Atomic mass of Carbon is 12 and that of Helium is 4. State which of the following statements is true for 1 mole of each of the elments?

A) 1 mole of Helium will contain 3 times more atoms than 1 mole of Carbon	B) 1 mole of Carbon will contain the same number of atoms as present in 1 mole of Helium
C) 1 mole of Carbon will contain one-third the number of atoms present in 1 mole of Helium	D) 1 mole of Carbon will contain 3 times more atoms than 1 mole of Helium

Answer & Explanation Answer: B) 1 mole of Carbon will contain the same number of atoms as present in 1 mole of Helium

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0 1071

Q:

Which of the following statements is wrong with regard to strong acids?

A) Strong acids react very rapidly with other substances (such as metal carbonates and metal hydrogen carbonates)	B) Hydrochloric acid, Sulphuric acid and Nitric acid are strong acids
C) Acids are those chemical substances that have a salty taste	D) All minerals acids are strong acids

Answer & Explanation Answer: C) Acids are those chemical substances that have a salty taste

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0 1071

Q:

____ enacted during an emergency imposed by Mrs. Indhira Gandhi, is also known as mini constitution because of important & large number of changes made to it.

A) 42nd Amendment Act	B) 44th Amendment Act
C) 74th Amendment Act	D) 73rd Amendment Act

Answer & Explanation Answer: A) 42nd Amendment Act

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Filed Under: Indian Politics
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0 1071

Q:

If a body is whirled in a circle, then the work done on it ___.

A) is zero	B) is positive
C) cannot be determined	D) is negative

Answer & Explanation Answer: A) is zero

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0 1071

Q:

Prohibition of discrimination on grounds of religion, race, caste, sex or place of birth comes under which category of Fundamental Rights in Indian Constitution?

A) Right to Freedom	B) Right to Constitutional Remedies
C) Right to Equality	D) Right to Freedom of Religion

Answer & Explanation Answer: C) Right to Equality

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0 1070

Q:

Which among the following cannot be included among greenhouse gases?

A) Nitrous Oxide	B) Carbon Dioxide
C) Methane	D) Phosphine

Answer & Explanation Answer: D) Phosphine

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1 1070

Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

What would you have done if you ______ the band?

A) was in	B) is in
C) will be in	D) were in

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