| 1 |
Which of the following has highest M.P |
- A. Aluminium
- B. Silicon
- C. Phosphorus
- D. Sulphur
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| 2 |
Majority of the elements of the periodic table are. |
- A. Semi metals
- B. Non metals
- C. Metals
- D. Noble metals
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| 3 |
Element of which group reacts with hydrogen and form ionic hydrides. |
- A. II A
- B. IV A
- C. V A
- D. VI A
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| 4 |
The element of 2nd period, which has highest ionization energy from the following is |
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| 5 |
Number of elements in the first period of the periodic table is |
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| 6 |
The concept of atomic number was introduced by |
- A. Alrazi
- B. Mendeleeve
- C. Moseley
- D. Dobereiner
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| 7 |
Which one is an incomplete period |
- A. 4th
- B. 5th
- C. 6th
- D. 7th
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| 8 |
Mark the correct statement. |
- A. Na+ is smaller than Na atom
- B. Na+ is large than Na atom
- C. Cl- is smaller than Cl atom
- D. cl- and Cl are equal in size
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| 9 |
Who gave the law of Triads in 1829? |
- A. Dobereiner
- B. Mosely
- C. Newland
- D. Mendeleev
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| 10 |
Elements of Groups IIA are called |
- A. Alkali metals
- B. Alkaline earth metals
- C. Coinage metals
- D. Halogens
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