Chemistry Questions

Which of the following pairs is INCORRECT?

I. Haematite : Iron

II. Pitchblende : Copper

III. Monazite : Thorium

Which of the following statements are CORRECT?

I. Melamine is a Thermo setting plastic.

II. It resists fire.

III It is a poor conductor of heat.

Milk of Magnesia is used as a 

The electronic dot and cross structure of ethene is ............

What is the position of metallic ion and non-metallic ion in a chemical formula?

Metals are generally ______.

I. Ductile

II. Malleable

III. Poor conductors of heat

Which of the following statement(s) is/are INCORRECT?

I. Alkenes are fairly unreactive.

II. Alkenes burn with blue flame.

III. Alkanes burn with yellow flame.

Which of the following statement(s) is/are CORRECT?

I. Bases are soapy to touch.

II. Bases generate OH– ions.

III. Metal oxides dissolve in water to form Acidic solution.