मराठी

State of the following formula of a compound is incorrect. Incorrectly write the correct formula. NaO

Advertisements
Advertisements

प्रश्न

State of the following formula of a compound is incorrect. Incorrectly write the correct formula.

NaO

एका वाक्यात उत्तर
Advertisements

उत्तर

NaO

Correct formula – Na2O

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: The Language of Chemistry - For Additional High Order Thinking Questions [पृष्ठ १८]

APPEARS IN

विराफ जे. दलाल Simplified ICSE Chemistry [English] Class 9
पाठ 1 The Language of Chemistry
For Additional High Order Thinking Questions | Q 3. 2. I. | पृष्ठ १८

संबंधित प्रश्‍न

What is meant by the symbol of an element ? Explain with examples.


The atomicities of ozone, sulphur, phosphorus and argon are respectively :


The formula of a compound is X3Y. The valencies of elements X and Y will be respectively :


Give the empirical formula of Acitic Acid CH3COOH.


What is a chemical formula? What is the significance of a formula?give an example to illustrate?​


XCl2 is the chloride of a metal X. State the formula of the sulphate and the hydroxide of the metal X.


Name the element in the compound and give the formula of the following compound:

Ethane


Write the formula of the following compound:

Potassium aluminate


Write the formula of the following compound:

Calcium chloride


Write the formula of the following compound:

Calcium bicarbonate


Write the formula of the following compound:

Magnesium hydroxide


Write the formula of the following compound:

Zinc chloride


Write the formula of the following compound:

Copper [I] chloride


Write the formula of the following compound:

Iron [II] sulphide


Write the formula of the following compound:

Lead [II] nitrate


Write the formula of the following compound:

Silver [I] chloride


State of the following formula of a compound is incorrect. Incorrectly write the correct formula.

NaCO3


State of the following formula of a compound is incorrect. Incorrectly write the correct formula.

NaClO


Complete the following crossword puzzle (Fig. 3.1) by using the name of the chemical elements. Use the data given in Table.

  Across   Down
2 The element used by Rutherford during his α–scattering experiment 1 A white lustrous metal used for making ornaments and which tends to get tarnished black in the presence of moist air
3 An element which forms rust on exposure to moist air 4 Both brass and bronze are alloys of the element
5 A very reactive non–metal stored under water 6 The metal which exists in the liquid state at room temperature
6 Zinc metal when treated with dilute hydrochloric acid produces a gas of this element which when tested with burning splinter produces a pop sound. 8 An element with symbol Pb


There are ______ hydrogen atoms in water molecule.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×