Advertisements
Advertisements
प्रश्न
Fill in the blank
The most abundant element in the earth’s crust is _______.
Advertisements
उत्तर
The most abundant element in the earth’s crust is oxygen.
APPEARS IN
संबंधित प्रश्न
State four differences between compounds and mixtures.
State the number of atoms of CaCO3
Answer the following question:
Why are copper and aluminium used to make electric wires?
Indicate whether the following statement is true or false:
Metals reflect light and are good conductors of electricity
Give the name of the radical - OH
Complete the statement given below by filling in the blanks with the correct words.
Atom contains ________ , with positively charged _____.
Give a reason for the following statement:
Components in a mixture are present in varying proportions and not in a fixed proportion.
Explain the term ‘mixture’.
Differentiate between homogenous & heterogeneous mixtures.
Classify the substances given in Fig. 2.2 into elements and compounds
