मराठी

Fill in the Following Blanks with Suitable Words : in Water, the Proportion of Oxygen and Hydrogen is .............. by Mass.

Advertisements
Advertisements

प्रश्न

Fill in the following blanks with suitable words :

In water, the proportion of oxygen and hydrogen is .............. by mass.

रिकाम्या जागा भरा
Advertisements

उत्तर

In water, the ratio of oxygen to hydrogen is 8:1 by mass.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Atoms and Molecules - Very Short Answers [पृष्ठ १२९]

APPEARS IN

लखमीर सिंह Chemistry Part 2 [English] Class 9
पाठ 3 Atoms and Molecules
Very Short Answers | Q 20.1 | पृष्ठ १२९

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

WRITE SHORT ANSWER

What is radioactivity?


Write the names of the elements present in the:- 

Ammonia


Write the names of the elements present in the:- 

Glucose


Give two examples for each of ionic and covalent bond.


Name the particle or particles you would expect to find in :

The orbit of an atom


Write the full form of IUPAC.


How is the size of an atom indicated ?


Write the relation between nanometre and metre.


State two observations which show that atom is not indivisible.


Which has more atoms, 50 g of aluminium or 50 g of iron ? Illustrate your answer with the help of calculations.

(Atomic masses : Al = 27 u ; Fe = 25 u)


Compare: 

Chlorine atom and chloride ion, with respect to

Atomic structure
Electrical state


Elements X and Y have 1 and 7 electrons in their outermost shell respectively.

Which element will gain electron?


State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.


Draw the basic structure of an atom representing its –

  1. Subatomic particles
  2. Nucleus
  3. Orbits or shells.

Select the correct answer to the statement given below:

The smallest particle of a substance – capable of independent existence and which retains the characteristics of the substance.


Define the following term with an example.

Element 


Define the following term with an example.

Compound


Which of the following statements made by Dalton has not undergone any change?


1 mole of Gold and Silver contain same number of atoms.


______ is a substance that is made up of three oxygen atoms chemically combined.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×