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Chemistry MCQs: 1600+ Questions & Answers in English

1600+ Chemistry MCQs in English with answers & explanations. Page 70. Practice objective questions for competitive exams, interviews & self-assessment — free… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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Chemistry MCQs: 1600+ Questions & Answers in English

The important hormones somatostatin and somatotropin are produced industrially by

Impure sodium carbonate obtained in the industrial process is called

The enzymes popularly used in organic synthesis are

A medicinally useful compound obtained from the oil of peppermints is

Artificial silk is also called

Consider the following groups of compounds I. Proteins II. Interferons III. Carbohydrates Out of the above compounds, the classes of compounds that contain peptide linkages are

Chemically, white sprit is

The enzymes can be isolated from the following natural sources I. Animals II. Plants III. Bacteria IV. Fungi For biotechnological operations, enzymes are obtained from

Which element in the periodic table forms maximum number of compounds ?

Mendeleev could not assign a correct position to which of the following elements in his table ?

Which of the following has low density and low melting point ?

A mixture of sand and salt can be separated by ?

If the electronic configuration of an element is 2, 8, 2, to which period of the Modern Periodic Table does it belong ?

Modern periodic table is based on .......... ?

Which of the following can undergo sublimation ?

The millions period consists of the places ?

The pH of pure water is

..... is least reactive element belonging to group 17 ?

In which of the following classifications are the elements arranged in the order of their increasing atomic number ?

The conversion of a solid directly into its vapour is called ?

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