P-1 Lenses — Science STD 10 — Question

Fill in the following blanks with suitable words:
Green plants use __________, _________ and __________ to make food.

Process of glycolysis was discovered by__________.

Process ………… . of milk proteins occurs of due to lactic acid.

At dew point, the relative humidity is ______________

Valency across a period ………… gradually.

Fill in the following blanks with suitable words:
When a fuel burns in an insufficient supply of air, then some poisonous gas called ____________ is also produced.

Fill in the blanks in the following statements:
On going down in a group in the periodic table, the metallic character of elements _________.

Persons continuously using the computers and internet develop problems like __________ and __________.

In __________ process sulphide ores are strongly heated.

If one of the metal is mercury, then the alloy is known as __________.