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DeepanjaliEnlightened

Asked: August 3, 2021In: Chemistry

Silicon is the main constituent of :

A. Rock B. Alloys C. Animals D. Plants

DeepanjaliEnlightened

Asked: August 3, 2021In: Chemistry

Which element is present in pitch blende:

A. U B. Ce C. Ba D. Mg

DeepanjaliEnlightened

Asked: August 3, 2021In: Chemistry

Which one of the following methods should be used to obtain chlorine and hydrogen from sodium chloride?

A. Neutralisation B. Electrolysis C. Distillation D. Electroplating

DeepanjaliEnlightened

Asked: August 2, 2021In: Chemistry

Which of these is not an alkaline earth metals?

A. Magnesium B. Beryllium C. Potassium D. Calcium

DeepanjaliEnlightened

Asked: August 2, 2021In: Chemistry

Who classified elements based on atomic numbers?

A. Newlands B. Moseley C. Dobereiner D. Mendeleev

DeepanjaliEnlightened

Asked: August 2, 2021In: Chemistry

The atomic number of Lanthanum is________.

A. 56 B. 58 C. 55 D. 57

DeepanjaliEnlightened

Asked: August 2, 2021In: Chemistry

_________ proposed that each element had a characteristics atomic mass.

A. Kanad B. Democritius C. Dalton D. Lavoisier

DeepanjaliEnlightened

Asked: August 2, 2021In: Chemistry

The product of equivalent weight and valency of an element is equal to:

A. Vapour density B. Specific heat C. Atomic weight D. Molecular weight

DeepanjaliEnlightened

Asked: August 2, 2021In: Chemistry

An element of atomic number 20 will exit in which period of periodic table:

A. 2 B. 3 C. 4 D. 5

DeepanjaliEnlightened

Asked: August 2, 2021In: Chemistry

Hydrogen can combine with other element by:

A. Losing electron B. Gaining electron C. Sharing electron D. All of these are correct

Load More Questions

Silicon is the main constituent of :

Which element is present in pitch blende:

Which one of the following methods should be used to obtain chlorine and hydrogen from sodium chloride?

Which of these is not an alkaline earth metals?

Who classified elements based on atomic numbers?

The atomic number of Lanthanum is________.

_________ proposed that each element had a characteristics atomic mass.

The product of equivalent weight and valency of an element is equal to:

An element of atomic number 20 will exit in which period of periodic table:

Hydrogen can combine with other element by:

The Constitution of India was adopted on

Who is the President of India?

Who is the head of the state in India?

What is synonyms of connect?

Intensity of incident radiation is made half. The stopping potential ...

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