Advertisements
Advertisements
Question
Write ‘true’ or ‘false’ for the following statement.
Iodine acts as an antiseptic in the form of a tincture of iodine.
Options
True
False
Advertisements
Solution
True
APPEARS IN
RELATED QUESTIONS
Fill in the blanks:
Metals react with acids to produce _________ gas.
Saloni took a piece of burning charcoal and collected the gas evolved in a test tube.
(a) How will she find the nature of the gas?
(b) Write down word equations of all the reactions taking place in this process.
Give two uses of Germanium
State two important uses of following metal
Uses of tin
State two important uses of following metal
Uses of lead
Write name.
Alloy of sodium with mercury.
Write name.
The device used for grinding an ore.
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
The minerals from which the metal can be separated economically are called _______.
Electronic configuration of metal A is 2,8,1. Electronic configuration of metal B is 2,8,8,2. Which of the above metals is more reactive? Explain with reason.
Complete the following flowchart.

Which one of the following is an example for a metal?
Assertion: Mercury is solid in room temperature.
Reason: Mercury is a non-metal.
What is ductility?
The most abundant metal in the earth’s crust is ____________.
Which of the following metals are obtained by electrolysis of their chlorides in molten state?
- Na
- Ca
- Fe
- Cu
Which of the following is not a metal?
The liquid metal at room temperature ______.
All gases are ______.
X [2, 8, 7] and Y [2, 8, 2] are two elements. Using this information, complete the following:
______ is the reducing agent.
