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Chemistry

Chemistry
Petroleum consists of a mixture of

Carbonates
Carbides
Carbohydrates
Hydrocarbons

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Chemistry
Atoms having the same number of protons but different number of neutrons are called :

Anions
Higgs-boson
Isotopes
Cations

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Chemistry
The new strain of bacteria produced by biotechnology in alcohol industry is

Bacillus subtilis
Saccharomyces cerevisiae
Escherichia coli
Pseudomonas putida

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Chemistry
A detergent is a

Catalyst
Drug
Soap
Cleansing agent

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Chemistry
Organic compounds are

Interstitial compounds
Ionic compounds
Covalent compounds
Co-ordination compounds

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Chemistry
Which of the following can be found as pollutants in the drinking water in some parts of India? Select the correct answer using the code given below.(A) Arsenic (B) Sorbitol (C) Fluoride (D) Formaldehyde (E) Uranium

A and C
B, D and E
A, C and E
A, B, C, D and E

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