Question
A paper is folded at the dotted lines as shown in the
first two figures. and cut as shown in the third figure How will it appear when unfolded?Solution
The correct answer is A
Which gas is evolved during the reaction of an acid with a metal?
Bleaching powder is represented as ______.
What is the chemical name for baking soda?
Which radioactive element is used in heart pacemakers?
Which of the following element is used for the manufacture of the safety-matches?
Which of the following substances is classified as a carbohydrate?
Ethane gas has a slightly _____ taste.
Which polymer is formed by the copolymerization of phenol and formaldehyde?
Which of the following is the most electronegative element in the periodic table?
Terylene is a condensation polymer of ethylene glycol and which acid?