Advertisements
Advertisements
प्रश्न
What elements do the following compounds contain ?
Sugar, Common salt
Advertisements
उत्तर
Formula of sugar is C12H22O11 . So, the elements present in sugar are carbon (C), hydrogen (H) and oxygen (O).
Formula of sodium chloride is NaCl. So, the elements present in sodium chloride are sodium (Na) and chlorine (Cl).
APPEARS IN
संबंधित प्रश्न
Define the term matter. What is it composed of?
What do you mean by the inter-molecular spaces? How do they vary in different states of matter?
What are the conditions for 'something' to be called 'matter'?
Name one solid, one liquid and one gaseous non-metal.
Which of the following are ‘pure substances’ ?
Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, Brick, Wood, Air
State two physical properties on the basis of which metals can be distinguished from non-metals.
Which of the following are compounds ?
- CO
- No
- NO
- Co
Which of the following is not an emulsion ?
Milk of Magnesia is :
Which of the following represents the solubility of sugar in water at 20°C ?
Name the process by which all the dye can be recovered from black ink.
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
Which of the following mixture cannot be separated by using water as the solvent ?
The boiling point of liquid argon is :
Asmita went to buy an earthen pot. There she saw many things kept for sale.
From what substance has the potter made all the things?
The property which allows the metals to be hammered into their sheets is ______.
A standard sheet of paper is about ______ of atoms thick
Define the term matter.
