Chemistry-
General
Easy
Question
The unit representing atomic radii and ionic radii is
- (a) Oxygen family
- Nitrogen group
- (c) Halogens
- Alkali metals
The correct answer is: (c) Halogens
Halogens are most electronegative elements.
Related Questions to study
Chemistry-
The lanthanide contraction is responsible for the fact that
The lanthanide contraction is responsible for the fact that
Chemistry-General
Chemistry-
Which of the following attacks glass
Which of the following attacks glass
Chemistry-General
Chemistry-
A sodium cation has a different number of electrons from
A sodium cation has a different number of electrons from
Chemistry-General
Chemistry-
Which has the smallest size
Which has the smallest size
Chemistry-General
Maths-
The 120 permutations of MAHES are arranged in dictionary order, as if each were an ordinary five-letter word. The last letter of the 86th word in the list is
The 120 permutations of MAHES are arranged in dictionary order, as if each were an ordinary five-letter word. The last letter of the 86th word in the list is
Maths-General
Maths-
Number of natural numbers between 100 and 1000 such that at least one of their digits is 7, is
Number of natural numbers between 100 and 1000 such that at least one of their digits is 7, is
Maths-General
Maths-
3 different railway passes are allotted to 5 students. The number of ways this can be done is :
3 different railway passes are allotted to 5 students. The number of ways this can be done is :
Maths-General
Maths-
If the letters of the word ‘‘VARUN’’ are written in all possible ways and then are arranged as in a dictionary, then the rank of the word VARUN is :
If the letters of the word ‘‘VARUN’’ are written in all possible ways and then are arranged as in a dictionary, then the rank of the word VARUN is :
Maths-General
Maths-
Let y be an element of the set A = {1, 2, 3, 5, 6, 10, 15, 30} and x1, x2, x3 be integers such that x1 x2 x3 = y, then the number of positive integral solutions of x1 x2 x3 = y is
Let y be an element of the set A = {1, 2, 3, 5, 6, 10, 15, 30} and x1, x2, x3 be integers such that x1 x2 x3 = y, then the number of positive integral solutions of x1 x2 x3 = y is
Maths-General
Maths-
How many 6 digit number can be formed using the digit 1, 2, 3, 4, 5 and 6 that have at least two of the digits the same:
How many 6 digit number can be formed using the digit 1, 2, 3, 4, 5 and 6 that have at least two of the digits the same:
Maths-General
Maths-
Number of 4 digit positive integer if the product of their digits is divisible by 3 is:
Number of 4 digit positive integer if the product of their digits is divisible by 3 is:
Maths-General
Maths-
Number of rectangles in the grid shown which are not squares is:
Number of rectangles in the grid shown which are not squares is:
Maths-General
Maths-General
Maths-
Value of 4C3 + 5C3 + 6C3 ....... + 11C3 + 12C3 equal to
Value of 4C3 + 5C3 + 6C3 ....... + 11C3 + 12C3 equal to
Maths-General
Maths-
A double decker bus can have (u + ) passengers, u in the upper deck and in the lower deck. The number of ways in which the (u + ) passengers can be distributed in the two decks. If r( ) particular passengers refuse to go in the upper deck and s(u) refuse to sit in the lower deck, is/are -
A double decker bus can have (u + ) passengers, u in the upper deck and in the lower deck. The number of ways in which the (u + ) passengers can be distributed in the two decks. If r( ) particular passengers refuse to go in the upper deck and s(u) refuse to sit in the lower deck, is/are -
Maths-General
Maths-
The no. of ways in which n2 identical balls can be put in n numbered boxes (1, 2, 3, ……, n) such that ith box contains at least i number of balls is-
The no. of ways in which n2 identical balls can be put in n numbered boxes (1, 2, 3, ……, n) such that ith box contains at least i number of balls is-
Maths-General
