Decrease
Increase
Remain constant
Be zero
Correct answer is B
No explanation has been provided for this answer.
The noble gases owe their inactivity to
Octet configuration
Cyclic shape
Hexagonal shape
Obtuse configuration
Correct answer is A
No explanation has been provided for this answer.
Neutral atoms of neon with atomic number 10 have the same number of electron as
O2+
Ca2+
K+
Mg2+
Correct answer is D
No explanation has been provided for this answer.
3Cu + pHNO3 →3Cu(NO
In the equation above, the values of p and x respectively are
1 and 3
2 and 3
6 and 2
8 and 2
Correct answer is D
No explanation has been provided for this answer.
The filter in the cigarette reduces the nicotine content by
Burning
Adsorption
Evaporation
Absorption
Correct answer is B
No explanation has been provided for this answer.