Question
Which type of insect infests stored grains by laying
eggs inside or on the surface of grains?Solution
Explanation: Internal feeders lay eggs inside or on the surface of grains and spend part or all of their larval and pupal life inside the grains.
Which of the following is true about Helium?
How many oxygen atoms are present in a molecule of Aluminum sulfate, Al₂(SO4₄)₃ ?
What is the chemical formula of bleaching powder?
The Polymer used for Electrical insulation buttons is
The combining power of an element is called its:
Which of the following is a non-metal?
Sphalerite is an ore/mineral of -
An element has an atomic number of 17 and a mass number of 36. How many neutrons are in its nucleus?
What are the constituent metals of the alloy known as 'German Silver'?
"Schist" is the example of which type of rock?