Advertisements
Advertisements
Question
Write the molecular formulae of the following compound.
Sodium aluminate
Advertisements
Solution
Sodium aluminate- NaAlO2
APPEARS IN
RELATED QUESTIONS
Name the following:
The property possessed by metals by which they can be beaten into sheets.
Name the gas in air which tarnishes silver articles slowly.
The non-metal present in steel is ______.
Name three other metals which are extracted in a manner similar to sodium.
Name the metal which is extracted from the ore called ‘rock salt’.
Zinc blende ore can be converted into zinc oxide by the process of ______.
Metals X and Y can be recovered from the anode mud left behind after the electrolytic refining of copper metal. The coins made of metal X look new even after several years of use but the coins made of metal Y lose their shine gradually and get blackened soon. When metal X is alloyed with a small amount of metal Y, it becomes hard and hence suitable for making ornaments. What are metals X and Y? Also state the colour of metal X.
Some metallic oxides can be reduced by hydrogen, carbon and carbon monoxide and some cannot. Explain.
Give reasons, why aluminum is used in:
making alloys
An element has its electron configuration as 2,8,8,2. Now answer the following questions.
a) What is the atomic number of this element?
b) What is the group of this element?
c) To which period does this element belong?
X is an element in the form of a powder. X burns in oxygen and the product is soluble in water. The solution is tested with litmus. Write down only the word which will correctly complete each of the following sentences:
(a) If X is a metal, then the litmus will turn ______.
(b) If X is a non-metal, then the litmus will turn ______.
(c) If X is a reactive metal, then ______ will be evolved, when X reacts with dilute sulphuric acid.
(d) If X is a non -metal, it will form _ oxide, which will form ______ solution with water.
(e) If X is a non -metal, it will not conduct electricity unless it is carbon in the form of ______.
Choose the correct answer from the options given below:
The metal is a liquid at room temperature.
Write the name.
Strongly heating carbonate ores in insufficient air -
Write the name.
Extraction of aluminium from alumina-
Bauxite reacts with sodium hydroxide in the Bayer’s process.
Explain Bayer’s process.
Explain in brief types of extraction of moderately reactive metals according to their reactivity.
The poorest conductor of heat among metals is ____________.
The process in which a carbonate ore is heated strongly in the absence of air to convert it into metal oxide is called ____________.
An alloy is
