Which of the mentioned elements with excess oxygen to form peroxides?
-
- Ca
- Mg
- Li
- Ba
Submitted by :- Muhammad Nawaz
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
| Now you can submit here the latest Chemistry MCQs. SUBMIT HERE |
|---|
When calcium is heated in the flame of a Bunsen burner, the color imparted to the flame is
- Golden yellow
- Brick red
- Crimson red
- Grassy green
Submitted by :- Muhammad Nawaz
The most common oxidation state of alkaline earth metals is
- + 1
- +2
- -2
- -1
Submitted by :- Muhammad Nawaz
The wire of flash bulb is made up of
-
- Cu
- Ag
- Mg
- Ba
Submitted by :- Muhammad Nawaz
The formula of bleaching powder is
-
- CaOCl2
- CaClO3
- Ca(ClO3)2
- CaOCl
Submitted by :- Muhammad Nawaz
Magnesium burns in air to give
-
- MgO
- MgCO3
- Mg3N2
- Both A. and C
Submitted by :- Muhammad Nawaz
Beryllium shows diagonal relationship with
-
- Mg
- Na
- Al
- B
Submitted by :- Muhammad Nawaz
Which of the mentioned elements has the highest melting point?
-
- Magnesium
- Calcium
- Strontium
- Beryllium
Submitted by :- Muhammad Nawaz
Baking powder has one of the following constituent
-
- NaOH
- NaHCO3
- KOH
- Na2CO3
Submitted by :- Muhammad Nawaz
Lithium shows diagonal relationship with which one?
-
- Beryllium
- Sodium
- Magnesium
- Calcium
Submitted by :- Muhammad Nawaz