मराठी

Write the Formula of the Following Compound: Aluminium Oxide

Advertisements
Advertisements

प्रश्न

Write the formula of the following compound:

Aluminium oxide

एका वाक्यात उत्तर
Advertisements

उत्तर

Aluminium oxide - Al2O3 - `"Al"^(3+)["O"]^(2-)`

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: The Language of Chemistry - For Additional High Order Thinking Questions [पृष्ठ १५]

APPEARS IN

विराफ जे. दलाल Simplified ICSE Chemistry [English] Class 9
पाठ 1 The Language of Chemistry
For Additional High Order Thinking Questions | Q 2. 6. vi] (f) | पृष्ठ १५

संबंधित प्रश्‍न

Write the chemical formula of the Calcium oxide.


State the chemical symbols for the following elements :

Sodium, Potassium, Iron, Copper, Mercury, Silver.


An element Z has a valency of 3. What is the formula of oxide of Z ?


(a) Write the symbols/formulae of two simple ions and two compound ions (or polyatomic ions).


An element Y has a valency of 4. Write the formula for its :

  1. chloride
  2. oxide
  3. sulphate
  4. carbonate
  5. nitrate

Fill in the blank:

Formula of iron (ill) carbonate is _____ .


Match the following:

Column A Column B
(a) Pb(NO3)2 (i) rotten eggs smell
(b) CO2 (ii) burns with a pop sound
(c) (NH4)2Cr2O7 (iii) the suffocating smell of sulphur
(d) HCI (iv) lime water turns milky
(e) NO2 (v) crackling sound
(f) O2 (vi) residue swells up
(g) H2 (vii) brown gas
(i) H2S (viii) supports combustion
(j) SO2 (ix) fumes with NH3 solution

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

Carbonic acid


Write the formula of the following compound: 
Potassium bisulphate

Write the formula of the following compound:

Sodium dichromate


Write the formula of the following compound:

Calcium sulphite


Write the formula of the following compound:

Calcium hydroxide


Write the formula of the following compound:

Magnesium carbonate


Write the formula of the following compound:

Magnesium sulphate


Write the formula of the following compound:

Copper [II] oxide


Write the formula of the following compound:

Lead [II] sulphate


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

KNO3


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


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

BiPO4


Write the molecular formulae for the following compounds

Copper (II) bromide


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×