Tag: chemistry
Questions Related to chemistry
Which of the following is thermosetting polymer?
Three-dimensional molecules with cross-links are formed in the case of a:
Garden chairs made of plastic strips and plastic articles get faded, worn out and cracked in sunlight, mainly because of:
Which of the following are not thermosetting polymers ?
In Newland's classification, elements are arranged in an increasing order of their:
Which of the following is the correct set of elements to Dobereiner's triads ?
The first attempt to classify elements systemically was made by :
The arrangement of elements in a group of three is known as Law of Triads.
Statement: In Dobernier classification of elements, the atomic weight of the middle element is equal to the average of the extreme elements of a triad.
The atomic masses of Li and K are 7 and 39, respectively. According to law of triads the atomic mass of Na will be: