Question
Stomach poisons have gradually been replaced by
synthetic insecticides, which are less dangerous to humans and other mammalsSolution
The correct answer is A
What is the industrial name of Epsum?
The last phase of which disease is known as "lockjaw"?
What is the name of China's recently launched largest amphibious assault vessel?
Which of the following gas is used in anesthesia?
A coil of N turns, and area A is rotated at angular velocity ω in a magnetic field B. Find the maximum induced emf if at t=0 the plane of coil is paral...
Which of the following non-metallic element shows allotropy in the liquid state?
In alchemy, aqua fortis is the classical name of which chemical compound that is used chiefly in the manufacture of explosives and fertilisers, and in o...
A nucleus X of mass number 238 undergoes 3 α-decays and 2 β⁻-decays successively. The mass number and atomic number of the resulting nucleus Y are:...
The refractive index of glass is 1.5. What is the speed of light in glass? Speed of light in vacuum is 3.0 x 108 m/s.