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This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
The ideal gases were in ____ group of Mendeleev’s periodic table. |
A. | 3rd |
B. | 4th |
C. | 1st |
D. | 2nd |
Answer» D. 2nd | |
2. |
In Mendeleev’s periodic classification, what is the number of groups? |
A. | 12 |
B. | 8 |
C. | 7 |
D. | 6 |
Answer» C. 7 | |
3. |
The periodic functions of the __________ are the properties of respective elements. |
A. | Atomic Weights |
B. | Atomic Number |
C. | Chemical properties |
D. | No of protons |
Answer» B. Atomic Number | |
4. |
Newland’s law of Octaves is only valid until calcium. |
A. | False |
B. | True |
Answer» C. | |
5. |
The property of every eight elements is similar to that of the 1st element. This is proposed by ___________ |
A. | Thomson |
B. | Dobereiner |
C. | Mendeleev |
D. | John Alexander Newland |
Answer» E. | |
6. |
In triads, the average weight of the 1st and the 3rd element are equal to the second one. |
A. | True |
B. | False |
Answer» B. False | |