Question
70Â Â Â Â 191Â Â Â Â 47Â Â Â Â 216Â Â Â
 ?    245 What will come in place of the question mark (?) in the following series?Solution
70 + 112 = 191 191 – 122 = 47 47 + 132 = 216 216 – 142 = 20 20 + 152 = 245
What is the common name of the compound with the formula C6H5NH2?
Milk tastes sour when kept in the open for sometimes due to the formation of-
What is the chemical name of bleaching powder?
Which element is denoted by the atomic number 28?
What is the main constituent of biogas?
Lewis Acid is a species (charged or uncharged) which can accept a pair of
Common name of Sodium Carbonate is?
The Biuret test is used to detect the presence of which substance?
Which of the following is NOT an isotope of oxygen?
The process of conversion of a solid directly into a gas is known as: