A draft memo from the E.P.A. assumes a safe threshold exists for formaldehyde, upending earlier findings that there is no ...

Table salt is one of the most widely used substances that is found in households, kitchens, and industrial use. It is used ...

Assessments play a crucial role in helping students build confidence and stay aligned with their exam preparation. Sample papers and competency-based practice questions enable learners to evaluate ...

Definition: Coefficients are the numbers placed in front of chemical formulas in a chemical equation to indicate the relative ...

Samples from water, fish, and bird eggs demonstrate the need to measure these unique molecular structures separately.

Sunscreens are often marketed as either “chemical” or “mineral”. Mineral sunscreens are commonly said to “reflect” UV light, ...

“Mineral-only” sunscreens are making huge inroads into the sunscreen market, driven by fears of “chemicals”, a belief that “mineral” products are inherently safer, and confusion about how sunscreens ...

PbO (Chemical Formula): The chemical formula PbO itself can be considered a very brief and common way to refer to the compound. However, it lacks the specificity of the full systematic name, as it ...

The Election Commission on Tuesday (November 4, 2025) launched the second phase of the Special Intensive Revision (SIR) of electoral rolls in nine States and three Union Territories, covering around ...

Freshr manufactures a coating that can be applied to food packaging film, extending shelf life. Image courtesy of Freshr Sustainable Technologies Inc. Freshr Sustainable Technologies Inc., a packaging ...

A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that form in completely opposing chemical environments—a combination so unusual ...