Question
There are six persons, N, O, P, Q, R and S in a family.
S is the paternal grandmother of N. P is the sister of R. O is the father of P. N is the only son of Q and R. O does not have any married daughter. How is N related to O?Solution
In the periodic table of elements, what happens to the atomic radius as you move from left to right across a period?
Haematite ores is the ore of which metal?
_____ is used for making chemical apparatus like beakers, flasks, etc.
Which of the following statement is/are true?
I. Metal oxides are acidic in nature
II. Non-metallic oxides are basic in nature
Which of the following vitamins is called a water-soluble vitamin?
Air coolers are more suitable for –
A radioactive substance emits?
Match the following columns and choose the correct option:
Column I A. Leishmania donovani B. Trypanosoma gambiense C. Entamoeba histolytica D. W...
_____ are a group of chemicals that influence cell division and shoot formation.
Which among the following form of coal contains the highest percentage of carbon content?