Q. 45.0( 4 Votes )
Lithium, Sodium and potassium were put in the same group on the basis of their similar properties.
i) What is the similarity in their properties?
Rate this question :
An organic compound burns with a sooty flame. Is it a saturated or an unsaturated compound?Xam idea - Science
(i) Alcohols are converted into carboxylic acid only under ……….
(ii) In partial oxidation; alcohols are converted into …………..All In One Science
i. What is observed when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube?
ii. What type of reaction is this?
iii. Write a balanced chemical equation to represent the above reaction.
A brown substance ‘X’ on heating in air forms a substance ‘Y’. When hydrogen gas is passed over heated ‘Y’, it again changes back into ‘X’.
i. Name the substance ‘X’ and ‘Y’
ii. Name the type of chemical reactions occurring during both the changes.
iii. Write the chemical equations of the reactions.Xam idea - Science