Chemistry Quiz 1
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Question 1 |
Who among the following is called 'The father of modern chemistry?
A | Michael Faraday |
B | Lavoisier |
C | Proust |
D | Linus Pauling |
Question 2 |
The chemical technique applied to find out age of fossils is knows as
A | Carbon dating |
B | Nuclear fusion |
C | Photosynthesis |
D | Fermentation |
Question 3 |
The chemical formula for 'laughing gas' is
A | N2O(Nitrous oxide |
B | NO (Nitric oxide) |
C | NO2 (Nitrogen dioxide) |
D | N2O5 (Nitrogen pentoxide) |
Question 4 |
1 u or 1 amu means
A | 1/12th mass of C-12 atoms |
B | Mass of C-12 atom |
C | Mass of O-16 atom |
D | Mass of Hydrogen molecule |
Question 5 |
Which is the symbol of the element tungsten?
A | Ta |
B | Tc |
C | W |
D | V |
Question 6 |
What is the mass (in grams) of 3 moles of N?
A | 14 |
B | 28 |
C | 42 |
D | 56 |
Question 7 |
The early attempt to classify elements as metals and nonmetals was made by
A | Mendeleev |
B | Lother Meyer |
C | Lavoisier |
D | Henry Moseley |
Question 8 |
The long form of periodic table consists of
A | seven periods and eight groups |
B | seven periods and eighteen groups |
C | eight periods and eighteen groups |
D | eighteen periods and eight groups |
Question 9 |
Which one of the following is most electropositive element?
A | Sodium |
B | Calcium |
C | Aluminium |
D | Silicon |
Question 10 |
Plaster of paris is obtained –
A | by adding water to calcium sulphate |
B | by adding sulphuric acid to calcium hydroxide |
C | by heating gypsum to a very high temperature |
D | by heating gypsum to 373 K. |
Question 11 |
Bleaching powder gives smell of chlorine because it –
A | is unstable |
B | gives chlorine on exposure to atmosphere |
C | is a mixture of chlorine and slaked lime |
D | contains excess of chlorine |
Question 12 |
Why bases are kept in glass bottles?
A | Bases produce OH– ions in aqueous solutions |
B | Basic solutions are conducting in nature |
C | Bases are corrosive in nature |
D | Bases have soapy texture |
Question 13 |
Which of the following reacts with cold water vigorously?
A | carbon |
B | sodium |
C | magnesium |
D | sulphur |
Question 14 |
Which of the following non-metals has shining lustrous surfaces?
A | Graphite and phosphorus |
B | Graphite and iodine |
C | Iodine and phosphorus |
D | Phosphorus and chlorine |
Question 15 |
A non metal that catches fire at room temperature is-
A | Sodium |
B | Sulphur |
C | Phosphorus |
D | Fluorine |
Question 16 |
The enzyme involved in the oxidation of ethanol to form vinegar is
A | zymase |
B | oxidase |
C | acetobacter |
D | invertase |
Question 17 |
The main constituent of Vinegar is:
A | Acetic acid |
B | Ascorbic acid |
C | Citric acid |
D | Tartaric acid |
Question 18 |
Soaps are sodium salts of fatty acids. Which of the following fatty acid does not form soap?
A | Butyric acid |
B | Oleic acid |
C | Palmitic acid |
D | Stearic acid |
Question 19 |
Which of the following is not a synthetic fibre:
A | Angora |
B | Rayon |
C | Nylon |
D | Polyester |
Question 20 |
What is the reason for white cement to be white?
A | It does not contain carbon |
B | It does not contain silicon |
C | It does not contain iron |
D | It does not contain calcium |
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