Uses of Alkaline Earth Metals

Q. Calcium metal is used to produce high vacuum because

1. It is good reducing agent
2. It is highly electropositive
3. It can remove water
4. It can remove and

Q. Separation of drugs from blood can be done by using chromotography.

1. False
2. True

Q. Separation of drugs from blood can be done by using chromotography.

1. False
2. True

Q. A fire work gave bright crimson light. It probably contained a salt of ____________.

1. Ca
2. Sr
3. Ba
4. Mg