Which piece of personal protective equipment (PPE) is strictly required to protect the eyes from chemical splashes in a school laboratory?
Answer and explanation
Correct answer: B. Safety goggles
- Step 1: Safety goggles seal tightly around the eye sockets to protect delicate ocular tissues from liquid acid or base splashes. Step 2. They prevent blindness from corrosive laboratory reagents. Answer: Safety goggles. Why not the others: Rubber boots protect feet; leather aprons protect the torso; respirators protect against airborne dust and toxic vapors.
Practise more Systems, Interactions and Applied Science.
Free questions with an explanation for every one, and full timed Basic Education Certificate Examination mock tests.
More Systems, Interactions and Applied Science questions
- Which soil particle has the smallest diameter, giving it high water-holding capacity but poor drainage?
- What agricultural term describes the vertical section of soil displaying its distinct horizontal layers (horizons)?
- Which soil layer contains the highest concentration of dark organic matter (humus) and plant-available nutrients?
- Which soil conservation practice involves ploughing and planting crops across the slope along lines of equal elevation?
- Which primary plant macronutrient is primarily responsible for vigorous leafy vegetative growth and dark green leaves?
- A severe deficiency of which plant macronutrient results in poor root growth and stunted purplish leaves in maize crops?