Question
What is the ph of
blood?Solution
Blood is normally slightly basic, with a normal pH range of about 7.35 to 7.45.
‘Therm’ is the unit of –
Which of the following is a physical change?
Which of the following gas usually causes explosions in coal-mines?
X-rays are
Which isotope is used in the treatment of cancer?
Vinegar, commonly used in cooking, is primarily composed of which acid?
The principle of conservation of linear momentum is based on:
Which of the following is a compound?
Which of the following non-metallic element shows allotropy in the liquid state?
Presbyopia is a visual defect caused by: