They are in the s block. less reactive than 1st group.
False. The gases on Titan are primarily molecular gases such as nitrogen and methane, which are not ionically bonded.
When using pigments, as in paint, black is all the colors mixed together, and white is a lack of color. So in that sense, black can be a "true" color. If you are studying the colors in light, black is simply the absence of light, while white is the combination of all colors.
True. But it's mainly a matter of word definitions than some kind of an absolute. For instance; where do you classify a black hole?
True. CFCs (chlorofluorocarbons) are synthetic chemicals that are created through industrial processes. They are commonly used as refrigerants, solvents, and propellants.
The statement that all compounds have a composition of ionic compounds is false. Many compounds can be covalent in nature, where atoms share electrons instead of transferring them. On the other hand, it is true that compounds have a definite composition with fixed ratios of elements and compounds are formed by the bonding of two or more different elements.
True
True. All squares are rectangles, but not all rectangles are squares.
No, all chords are not diameters, though all diameters are chords.
I DO NOT NOW I did not see all. but all i saw true
true
It is true.
It is true.
No, it is not true.
That is true, all entrepreneurs are businessmen.
no all of them
true
true