Q:

Propyne and propene can be distinguished by

A) AgNO₃ in ammonia	B) conc. H₂SO₄
C) dil. KMnO₄	D) Br₂ in CCl₄

Answer & Explanation Answer: A) AgNO₃ in ammonia

Explanation:

Propene, being an alkene, and propyne, being a alkyne, are distinguished using the common chemical tests namely ammoniacal silver nitrate or ammoniacal cuprous chloride. Ammoniacal silver nitrate is also called as Tollen's reagent.

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Q:

Manas Tiger Reserve is in which state?

A) Telangana	B) Madhya Pradesh
C) Assam	D) Kerala

Answer & Explanation Answer: C) Assam

Explanation:

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Q:

Goecha La is a pass in which of the following Indian State?

A) Sikkim	B) Assam
C) Meghalaya	D) Uttarakhand

Answer & Explanation Answer: A) Sikkim

Explanation:

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Q:

Where is the Betla National Park located

A) Karnataka	B) Jharkhand
C) Chhattisgarh	D) Tamil Nadu

Answer & Explanation Answer: B) Jharkhand

Explanation:

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Q:

Ethylene is a ______ molecule.

A) polar	B) ionic
C) covalent	D) nonpolar

Answer & Explanation Answer: D) nonpolar

Explanation:

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Filed Under: Biology
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Q:

Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. If there is no error, the answer is ‘No error’. (Ignore the errors of punctuation, if any.)

The coverage of schemes remain /patchy because of rampant / leakages, and poor execution / and monitoring. / No error

A) The coverage of schemes remain	B) patchy because of rampant
C) leakages, and poor execution	D) and monitoring

Answer & Explanation Answer: A) The coverage of schemes remain

Explanation:

'The coverage of schemes remains' should be used to make the sentence correct. Here the noun is 'coverage' that’s why we should use 'remains' instead of 'remain'.

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Q:

Acetic Acid is another name for which of the following?

A) Vinegar	B) Baking Soda
C) Copper Sulphate	D) Magnesium Oxide

Answer & Explanation Answer: A) Vinegar

Explanation:

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Filed Under: Chemistry
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Q:

Electrons in the highest energy level of an atom are called ________.

A) valence protons	B) orbital protons
C) valence electrons	D) orbital electrons

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