हिंदी

Complete the Following Statements by Selecting the Correct Option : the Correct Formula of Aluminium Oxide is - Chemistry

Advertisements
Advertisements

प्रश्न

Complete the following statement by selecting the correct option :

The correct formula of aluminium oxide is

विकल्प

  • AlO3

  • AlO2

  • Al2O3

MCQ
एक शब्द/वाक्यांश उत्तर
Advertisements

उत्तर

The correct formula of aluminium oxide is Al2O3.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: The Language of Chemistry - Exercise 1 (A) [पृष्ठ १०]

APPEARS IN

सेलिना Concise Chemistry [English] Class 9 ICSE
अध्याय 1 The Language of Chemistry
Exercise 1 (A) | Q 18.2 | पृष्ठ १०

संबंधित प्रश्न

Write down the formula of aluminium chloride.


Write down the formulae of sodium sulphide.


What is meant by the term chemical formula?


Write the chemical formula of the Magnesium chloride.


What is meant by a chemical formula ? Write the formulae of one element and one compound.


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


An element B shows valencies of 4 and 6. Write the formulae of its two oxides.


Which of the following represents a correct chemical formula ?


Fill in the blank:

Formula of iron (ill) carbonate is _____ .


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

Nitric acid


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

Green vitriol


Write the formula of the following compound:

Potassium aluminate


Write the formula of the following compound:

Calcium carbonate


Write the formula of the following compound:

Zinc chloride


Write the formula of the following compound:

Iron [II] sulphide


Define the term Relative molecular mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.


Which of the following represents a correct chemical formula? Name it.


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×