Advertisements
Advertisements
Question
Which one of the following is not a metalloid ?
Options
boron
silicon
gallium
germanium
Advertisements
Solution
gallium
Boron, silicon and germanium are metalloids. Gallium is a metal.
APPEARS IN
RELATED QUESTIONS
The smallest unit of matter that exists freely in nature is called ...........
What are the two conditions for the interconversion of states of matter ?
Fill in the blank
Any matter which has a definite _______ but no definite shape is called a _______
A kind of matter which can sublime is
Bromine and air take about 15 minutes to diffuse completely but bromine diffuses into a vacuum very rapidly. Why is this so?
Define a compound. Give two points of evidence to show that sodium chloride is a compound.
Which of the following is not an element ?
“Is malleable and ductile” best describes :
On the basis of composition of matter, milk is considered to be :
Name the different types of solutions. Give one example of each.
21.5 g of sodium chloride dissolves in 60 g of water at 25°C. Calculate the solubility of sodium chloride in water at that temperature.
Define solubility of a substance. How does it vary with temperature ?
Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?
How will you separate a mixture of iron filings, chalk powder and common salt ?
Which of the following mixture cannot be separated by using water as the solvent ?
The best way to recover sugar from an aqueous sugar solution is :
Liquids have ______.
Define the term matter.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
Define the term matter.
