Question
Solution
According to the question, x12 + x9 + x6 + x3 + 1 ⇒ (x3)4 + (x3)3 + (x3)2 + (x3) + 1 ⇒ (−1)4 + (-1)3 + (-1)2 + (-1) + 1 ⇒ 1 - 1 + 1 - 1 + 1 ⇒ 3 - 2 = 1
The process of depositing a layer of any desired metal on another material by means of electricity is called:
Which chemical compound is commonly known as Pearl Ash?
Which of the following organic compounds undergo nucleophilic substitution reaction most easily?
Alkali metals have ______.
I. low melting points
II. low densities
Which type of wave does not require a medium for propagation?
Why is commercial nitric acid typically yellow or brown in color?
Which polymer is formed by the copolymerization of phenol and formaldehyde?
What is the chemical name of baking soda?
Biofertilizers convert nitrogen to:
Which of the following pair of element – atomicity is correct?
I. Helium – monoatomic
II. Oxygen – triatomic
