Question Detail

Alloys made with mercury as one metal are called ?

mixtures
emulsions
solders
amalgams

Answer: Option D

Similar Questions :

1. Which of the following elements behave chemically both as a metal and a non metal?

Boron
Carbon
Argon
Mercury

Answer: Option A

2. Which is not a type of elements ?

Metals
Non Metals
Metalloids
Gases

Answer: Option D

3. Which acid is present in lemon ?

marlic acid
citric acid
lactic acid
tartaric acid

Answer: Option B

Explanation:

citric acid is present in lemon.

4. Identify the wrong statement in the following

Atomic radius of the elements increases as one moves down the first group of the periodic table
Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the
Amongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radius
Amongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius

Answer: Option C

5. Why is phosphorus kept under water ?

to make it wet
to make it durable
water forms a protective coating on it
to save it from catching fire when exposed to dry air

Answer: Option D

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