- Is co an element?
- Is water a element or compound?
- Why is water not a mixture?
- Which is not a mixture?
- Why is water called water?
- Is water a necessary compound?
- Is steel a compound?
- Can any life exist without water?
- Is water is a mixture?
- Is milk a mixture?
- Is oxygen a compound or element?
- How important is water to life?
- Why air is a mixture?
- Is salt water a mixture?
- Is blood a mixture?
- How can you prove that water is a compound class 9?
- Is tea a mixture?
Is co an element?
Cobalt is a chemical element with symbol Co and atomic number 27..
Is water a element or compound?
Why is water not a mixture?
So, from the above discussed definitions, it is clear that the water is a compound and not a mixture because it is made up of only one kind of element i.e. oxygen and hydrogen atoms and hence, is a diatomic molecule. Note: Don’t get confused in the molecules and compounds.
Which is not a mixture?
Notes: The composition of a mixture is variable whereas it is fixed for a compound. Table salt i.e. Sodium chloride is a compound and not a mixture.
Why is water called water?
The word water comes from Old English wæter, from Proto-Germanic *watar (source also of Old Saxon watar, Old Frisian wetir, Dutch water, Old High German wazzar, German Wasser, vatn, Gothic 𐍅𐌰𐍄𐍉 (wato), from Proto-Indo-European *wod-or, suffixed form of root *wed- (“water”; “wet”).
Is water a necessary compound?
Author of Chemical Principles and many others. Water, a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states. It is one of the most plentiful and essential of compounds. … Indeed, the versatility of water as a solvent is essential to living organisms.
Is steel a compound?
Steel is a mixture of iron and carbon fused together with one or more other metals or nonmetals. Because steel is a mixture rather than a chemical compound, steel does not have a set chemical compound formula.
Can any life exist without water?
Water is life’s true and unique medium. Without water, life simply cannot be sustained. It is the fluid that lubricates the workings of the cell, transporting the materials and molecular machinery from one place to another and facilitating the chemical reactions that keep us going.
Is water is a mixture?
Mixtures and compounds Hydrogen and oxygen are both gases. Together, as a mixture, hydrogen and oxygen can react and form water. Water is a compound of hydrogen and oxygen. … This ratio is shown in the chemical formula of the compound – H 2O.
Is milk a mixture?
Milk is a mixture. Milk is a mixture of water, lipids, fats, proteins, and carbohydrates, as well as other substances.
Is oxygen a compound or element?
Oxygen is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is O, and its atomic number is 8, which means that an oxygen atom has eight protons in its nucleus. Oxygen is a gas at room temperature and has no colour, smell or taste. Oxygen is found naturally as a molecule.
How important is water to life?
Water is one of the most important substances on earth. All plants and animals must have water to survive. If there was no water there would be no life on earth. … Apart from drinking it to survive, people have many other uses for water.
Why air is a mixture?
air is not a mixture because of scientists freezing it and finding different liquids, it is a mixture because the compounds that make up air e.g. oxygen (o2), Carbon dioxide (co2) and the most important Nitrogen which is an element and makes up 78.09% of air are not chemically bound in the way that compounds are …
Is salt water a mixture?
Saltwater acts as if it were a single substance even though it contains two substances—salt and water. Saltwater is a homogeneous mixture, or a solution. Soil is composed of small pieces of a variety of materials, so it is a heterogeneous mixture.
Is blood a mixture?
Blood is a heterogeneous mixture because the blood cells are physically separate from the blood plasma. The cells have different properties than the plasma.
How can you prove that water is a compound class 9?
Water is formed by the chemical bond between 2 hydrogen and one oxygen atom.A bond between atoms of water can be broken by chemical reaction. … Atoms of water cannot be separated by the physical process.Hence, water is a compound because it can only be separated into hydrogen and oxygen atom by chemical reaction.
Is tea a mixture?
A Tea is a solution of compounds in water, so it is not chemically pure. It is usually separated from tea leaves by filtration. B Because the composition of the solution is uniform throughout, it is a homogeneous mixture. A Orange juice contains particles of solid (pulp) as well as liquid; it is not chemically pure.