Arrange the following words as per order in the dictionary
1.Silt 2. Silicon 3. Silicate 4. Silken

First 3 letters of all the words are same so verifying the fourth letter.

The fourth letter of Silken and Silt are 'k' and 't' which come after 'i' in alphabetical order. So Silken is placed third and Silt is placed fourth in the order.

Among Silicon and Silicate, the sixth letter of Silicate comes first in alphabetical order. So Silicate comes first and Silicon comes second in order.

∴ The order of words according to dictionary is Silicate, Silicon, Silken, Silt

Hence, the correct answer is Option C